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World’s Largest Decentralized Tourism Eco- system Powered by Ethereum Blockchain.
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World’s Largest Decentralized Tourism Eco- system Powered by Ethereum Blockchain. · 2018. 9. 23. · 03. Our Solution We are proudly presenting you “TripEcoSys“ world’s largest

Oct 12, 2020

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Page 1: World’s Largest Decentralized Tourism Eco- system Powered by Ethereum Blockchain. · 2018. 9. 23. · 03. Our Solution We are proudly presenting you “TripEcoSys“ world’s largest

World’s Largest Decentralized Tourism Eco- system Powered by Ethereum Blockchain.

Page 2: World’s Largest Decentralized Tourism Eco- system Powered by Ethereum Blockchain. · 2018. 9. 23. · 03. Our Solution We are proudly presenting you “TripEcoSys“ world’s largest

Table of Contents

01. Introduction...................................................................................................0102. Highlighted problems of travel sector........................................................0303. Our Solution..................................................................................................0404. Travel Eco System (TES)..............................................................................0405. Mission and vision of -Tripeco Sys (TES).................................................0506. Big Data..........................................................................................................0607. Artificial Intelligence....................................................................................0708. Why Blockchain?..........................................................................................0809. Project overview...........................................................................................10 9.1. TRIPTALK........................................................................................11

9.1.1. Write a blog........................................................................12 9.1.2. TripTalk Voting..................................................................13 9.1.3. How upvotes will be calculated.......................................13 9.1.4. Voting power calculation..................................................13 9.1.5. Reward and Reputation(Rp).............................................14 9.1.6. Reward and Reputation(Rp) calculation........................15 9.1.7. Reputation(Rp)..................................................................15 9.1.8. Reward................................................................................18 9.1.9. Meet Mr. Bot......................................................................18 9.2. TripPay(TCH) Token......................................................................19 9.3. Further Solution (TripPay).............................................................20 9.4. TripEcoSys Multi-Signature Wallet...............................................22

9.4.1. What will be our approach towards Ethereum Multisig Standard..23 9.4.1. Bitcoin Multisig Wallets.....................................................25 9.4.2. Extending to Ethereum.....................................................26 9.5 Exchange............................................................................................31 9.5.1. Multi token trading..........................................................32 9.6. Wallet API........................................................................................33 9.6.1 Receive Payments..............................................................33 9.6.2. Blockchain Wallet Service...............................................33 9.6.3. Blockchain Data API.......................................................33 9.6.4. Simple Query API............................................................33 9.6.5. Websockets........................................................................33

https://www.tripecosys.com WORLD’S LARGEST DECENTRALIZED TOURISM ECOSYSTEM

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9.7. Merchant service...........................................................................................34 9.7.1. Merchant feature’s................................................................3410. Roadmap.........................................................................................................3511. Why ICO.........................................................................................................3612. Token Information.........................................................................................3613. Token Distribution........................................................................................3714. Pre Ico &Ico Information.............................................................................3815. Bounty system................................................................................................3816. Referral............................................................................................................39

17. Team18. Disclaimer

https://www.tripecosys.com WORLD’S LARGEST DECENTRALIZED TOURISM ECOSYSTEM

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01. Introduction

The travel and tourism industry is the world’s largest commercial service

sector industry. The World Trade Organization (WTO, not to be confused

with the UN World Tourism Organization (UNWTO)) is the leading inter-

national

body that monitors international macroeconomic data.

In total, Travel & Tourism to GDP was USD7,613.3bn (10.2% of GDP) in

2016, and is forecast to rise by 3.6% in 2017, and to rise by 3.9% pa to

USD11,512.9bn (11.4% of GDP) in 2027.

In 2016 Travel & Tourism directly supported 108,741,000 jobs (3.6% of

total employment). This is expected to rise by 2.1% in 2017 and rise by

2.2% pa to 138,086,000 jobs (4.0% of total employment) in 2027

https://www.tripecosys.com WORLD’S LARGEST DECENTRALIZED TOURISM ECOSYSTEM Page 01

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Over the decades, tourism has experienced continued growth and deep-ening diversification to become one of the fastest growing economicsectors in the world. Modern tourism is closely linked to developmentand encompasses a growing number of new destinations. These dynam-ics have turned tourism into a key driver for socio-economic progress.Today, the business volume of tourism equals or even surpasses thatof oil exports, food products or automobiles. Tourism has become oneof the major players in international commerce, and represents at thesame time - one of the main income sources for many developing coun-tries. This growth goes hand-in-hand with an increasing diversificationand competition among destinations. This global spread of tourism inindustrialized and developed states has produced economic and em-ployment benefits in many related sectors - from construction to agri-culture or telecommunications.

https://www.tripecosys.com WORLD’S LARGEST DECENTRALIZED TOURISM ECOSYSTEM Page 02

Whitepaper

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When a traveler wants to make a trip he/she has to perform differentkinds of processes like Ticket Booking, Payment System, Currency Ex-change, Hotel Reservation, Car Rentals, Tour Guides etc. To complete that process, he/she has to go through various platforms. But the prob-lem is, it is quite difficult to find the right service among the variousplatforms. Now, think of a platform where you can book tickets & hotelrooms, hire a tour guide, plan a trip and many more with the help oftravel experts trusted & reviewed by hundreds and thousands of othertravelers. This is so relieving for a traveler to decide whom to trust whena service is trusted by millions. Now you have all kind of solution forspending money for travelling. Add to that, what if you also rewardedwith a money earning platform enjoying all these services from one gi-ant platform while traveling… sounds awesome, right?

1

2

3

45

6

7 PaymentSystem

CurrencyExchange

NoPerfect

StructureTicketBooking

HotelReserva�on

DifficultTo

Understand

Huge Fees

02. Highlighted problems of travel sector

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Whitepaper

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03. Our Solution

We are proudly presenting you “TripEcoSys“ world’s largest de-centralized tourism ecosystem powered by Ethereum Blockchain. Where people can find every travel related service provider under one roof and also can earn money by sharing their valuable con-tents. Our goal is to revolutionize the tourism industry by improv-ing the traditional.

04. Travel Eco System(TES)for the purpose of connecting consumers directly with service provider a decentralized way with help of emerging Blockchain technology.

https://www.tripecosys.com WORLD’S LARGEST DECENTRALIZED TOURISM ECOSYSTEM Page 04

Whitepaper

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Perceiving that our life as international travelers can be more comfortable, easier and enjoyable should we knew trustworthy people and services in a visited city, so we have started to devel-op a new eco system for personal and corporate travelers which will be built on the new revolutionary decentralized technology which makes it most trustworthy than ever.

05. Mission and vision of -Tripeco sys(TES)

The mission of TripEcoSys is to make a fully decentralized travel eco-system where every people from around the world to have carefree travelling and enjoy personalized approach to their travel needs with authentic experience wherever they go. Encouraging every member by incentivized their contribution of time skill, local experience and re-sources.

5.1. Our platform mainly consists of :

a)Travel blog : An incentivized, blockchain-based, public content sharing platform.b) A social travel review platform built on blockchain in order to bring fairness to all Content creators in form of financial rewards.d) Specialized ad platform for travel service providers like hotels and restaurants, airlines, car rentals, tour guides, travel goods seller etc.e) Multi signature wallets for securely storing and spending your tokens.f) Decentralized public exchange for securely exchanging your de-sired coins and token.

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Whitepaper

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Data Security

The movement of travel industry is to a great degree dependent on the utilization of

distinguishing proof administrations and Blockchain would exceed expectations in such

manner.It has every one of the makings of being an exceptionally viable method for

giving travelers digital identy. Expecting it is utilized effectively, it could fundamentally

enhance airplane terminal effectiveness and would, thus, make the client’s experience

more enjoyable .Travel asset on a Blockchain would enable a visitor to effectively check

the validity of a host.Verification issue turns out to be more hazardous, as clients at the

two closures can make false records or erase the profile on the off chance that it gets

bunches of negative reviews.In this way, Blockchain innovation makes a steady tran-

script of client’s activities that would build up reliability and trustworthiness.

06. Big Data:

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Whitepaper

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A Chat BOTMr. Bot will automazied the communication with travelar, which includes retail,customer services, decision making support, state-of-art payment systems and online community building.Improve User ExperienceMr.Bot will record and analyse traveler personal preference and individuals demand to align with travel service providers existing operation and capacities.User Activity MonitoringContinuously check user content in Triptalk blog and user reviews to the service provider to im-prove content credibilty.

Big Data AnalysisMr.Bot will use it’s machine learning capacities to break down the tremendous amounts of infor-mation now accessible to make a logically rich, profoundly customized, and completely prescient journey.

07. Artificial Intelligence:

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Whitepaper

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08. WHY BLOCKCHAIN?

Transaction SecurityBlockchain can truly profit the movement of travel & tourism industry is in expanding the security of online transaction.Where the advanced installment space has enhanced a great deal in the previous couple of years, scam and deceitful transactions are as yet costing the travel & tourism industry billions of dollars every year.For the next level movement of the travel & tourism in-dustry, it must adopt imaginative innovations that will ensure security to its purchasers.An essential preferred standpoint of blockchain is that it is decen-tralized. This implies it is unimaginable for the framework to go disconnected, implying that data will never be lost or erased in case of an cyber attack.Mak-ing online transaction using Blockchain are constantly secure and traceable.Filling in as a global distributed ledger, Blockchain wipes out the challenges in charging and connecting the transactions with bank cards. Furthermore, the framework can likewise help with loyalty programs, enabling clients to get more productive offers and to set aside.We believe accepting currency’s that uses Blockchain can drastically change the way traveler expands money.

Better User ExperienceBlockchain would make it exponentially simpler for the next level movement of hos-pitality business.A real world example would be loyalty programs based on air miles, lodging rewards and so forth. Not exclusively would Blockchain give clients less de-manding and more straight forward access to their data, yet it would likewise alto-gether decrease the uncontrolled false exercises that exist in this space.In addition, blockchain would monstrously enhance the effectiveness of hospitality business.As of now, clients need to independently book flights, lodgings, visits, and exercises, and so on with various organizations. This can be an incredible issue and really puts many individuals off arranging long occasion trips.Blockchain would have the capacity to viably coordinate these diverse services.This is a distinct advantage as in it makes it substantially more advantageous for purchasers to book holidays themselves.It will likewise enhance client assurance and diminish the need to enlist travel specialists that are infamous for cheating.

https://www.tripecosys.com WORLD’S LARGEST DECENTRALIZED TOURISM ECOSYSTEM Page 08

Whitepaper

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Advance Identity VerficationThe movement of travel industry is to a great degree dependent on the utilization of distinguishing proof administrations and Block-chain would exceed expectations in such manner.It has every one of the makings of being an exceptionally viable method for giving travelers digital identy. Expecting it is utilized effectively, it could fundamentally enhance airplane terminal effectiveness and would, thus, make the client’s experience more enjoyable .Travel asset on a Blockchain would enable a visitor to effectively check the validity of a host.Verification issue turns out to be more hazardous, as cli-ents at the two closures can make false records or erase the profile on the off chance that it gets bunches of negative reviews.In this way, Blockchain innovation makes a steady transcript of client’s ac-tivities that would build up reliability and trustworthiness.

https://www.tripecosys.com WORLD’S LARGEST DECENTRALIZED TOURISM ECOSYSTEM Page 09

Whitepaper

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09. Project overview

MULTI TOKENSUPPORTED API

WALLET

EXCHANGE

BLOGPOSTING

BOTVERIFY

GETUPVOTE

EARNTCH TOKEN

CALCULATEUPVOTE &REWARD

LEVELUPRATING

TRIPTALKAD

HOTELRESERVATON

CARRENT

PAYMENTSYSTEM

MERCHANTSERVICE

TOURGUIDE

EVENTORGANIZE

AIR TICKETBOOKING

NO

FEE

TRADE DEPOSITE

WITHDRAW

“TripEcoSys” is a decentralized travel ecosystem that supports com-munity building and social interaction with cryptocurrency rewards. “TripEcoSys” combines concepts from social media with lessons learned from building cryptocurrencies and their communities. An important key toinspiring participation in any community, currency or free market economy is a fairaccounting system that consistently reflects each person’s contribution. “TripEcoSys” is the world’s first largest decentralized platform that aims to combine a incentivized social travel blogging system,an exchange,a multisignature wallet and a merchant payment gateway in one place to meet all the ne-cessity of traveler’s world wide ,accurately and transparently who make subjective contributions to its community.

https://www.tripecosys.com WORLD’S LARGEST DECENTRALIZED TOURISM ECOSYSTEM Page 10

Whitepaper

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9.1 TRIP-TALK

“TRIP-TALK” An incentivized, blockchain-based, public content shar-ing platform.

Collectively, user-generated content has created billions of dollars worth of value for the shareholders of social media companies, such as Reddit, Facebook, and Twitter. In 2014, Reddit hypothesized that its platform would be improved if everyone whocontributed to reddit.com by post-ing stories, adding comments or voting were rewarded with a fair share in Reddit, Inc1.

Trip talk is a travel blogging platform where a content creator write their travelling memories,cares,and experience and get cryptocurrency(Trip-cash) as a reward.Trip talk is to change the insight of content creator’s importance and bring balance between the creators and the world of business. From reviewers, photographers ,influencers, writers, and other content cre-ators, everyone needs to get rewarded by TCH.

In order to give everyone an equal opportunity to get involved and earn the currency people must be givenan opportunity to share and writing their memories .In Triptalk an trav-eler can share his/her travel experience which may be photos,videos,-food experience and many with unique set of tools which also designed to improve the content quality.

triptalk

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Whitepaper

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9.1.1. Write a blog :

For start writing blog user have to signup at our parent platform which is TripEcoSys. After signing up he/she permitted to access his/her dashboard in Trip-Talk. Now he/she can share his/her experience on Trip-Talk. We have a designed a unique set of tools to improve the content quality, so that our community members gets the highest quality content.

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Whitepaper

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9.1.2. Triptalk Voting

9.1.3 How upvotes will be calculated

9.1.4. Voting power calculation

Trip-Talk goal is to give you a piece of financial freedom through content writing based on travel. That is why we established Trip-Talk vote. It is the platform where all users support each other. You self-decide on the content and scope. From Trip-Talk vote, you will be guaranteed up-votes from other Trip-Talk members. You can count on a solid income in the future. Through voting of each other, a fixed income will be generated.

*3 is the default voting power decrease rate* n is the how much upvote rate user using for 1 upvote out of 100%.*100 is the initial voting power.

After signingup in triptalk an user will get default status for his/her blog as below:

∞ Reputaion (Rp)=20Rp∞ Wallet Value = 50TCH(Tripcash)∞ Voting power (Vp)=100%∞ Level=Primary∞ Upvote rate = Scalable (1 to 100% )

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Whitepaper

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If an user use 100% upvote rate for 1 upvote his/her voting power will decrease at

9.1.5. Reward and Reputation(Rp)

Reputation(Rp) consist of three roles

The reputation score is one way to measures the amount of value you have brought to the community. The reputation goes up when an user accounts upvote on other user’s content. By getting down voted by an user with a higher Reputation (Rp) can push your reputation down and make your posts less visible.

It is also a application that is designed to help decrease abuse of the Trip-Talk platform.

a) It is a tool that prevent user with low reputation to harm other users.b) It is an indicator that shows how “trusted or appreciated by the community” you are.c) It is a tool to calculate your upvote value.

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Whitepaper

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Before continuing to see how reputation points are calculated, you have to understand the concept of “Reward sharing system“When you an user vote for a post or comment, that means he/she tell-ing the system to take the Reward ,from his/her Reward Pool and give 80% of this reward to the author and to share the remaining 20% of the reward between the people that voted for the post (voters reward) .The more votes for the post from the user with high voting power, the higher both rewards will be.

The voters reward is not distributed equally among all voters.Depending on the timing of an user vote, the voting power user have and how much user allocated to user’s vote (percentage gauge), he/she will get a small part of the pie or a bigger one. Thus our Reward sharing system works.

Initially an user will get 20Rp and 1(one) upvote will worth $0.05 . It is basically the survival value of an user before starting his/her blogging at TtipTalk.

So, you have 20Rp now how it will increase . We planned a very simple reputation upgrade system for our user

9.1.6. Reward and Reputation(Rp) calculation

9.1.7 Reputation(Rp)

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Whitepaper

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Step’s of Triptalk Reputation system

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Whitepaper

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Step Analysis

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Whitepaper

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If an user have 20rp the 100% upvote value will be $0.05(Worth of TCH Token) as default

So lets see how upvote value will increase throughout the system

9.1.8. Reward

9.1.9 Meet Mr. Bot

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Whitepaper

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a) A Chat BOTb) Improve User Experiencec) User Activity Monitoring.d) Big Data Analysis.

9.2 About TripPay(TCH) Token

TripPay

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Whitepaper

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Blockchain as distributed ledger, opened the gates of opportu-nities for real-time online payment solutions. Adoption of this technology in travel industry has always been on the digital cur-rency side giving us just another way of payment for ourreservations. Although this is a very important feature as the payments no longer would need extra fees there is an unseen cost machine at the back of the transactions thus explaining the higher prices. We believe that blockchain technology and digital currencies will eventually solve the transaction fee problem.To take it a step further, we will redefine how the travel product is defined and consumed while providing a real-time solution for BSP. Let’s take a further look.

9.3 Further Solution (TripPay)

TripPay(TCH) is a ERC20 compatible token based on Ethereum.Blockchain, in its nature, offers a basic and fundamental solution. It is the immutablehistory of the transactions and thus express-ing the final ownership of the asset.

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Whitepaper

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Asset can be money, a license or a ticket. Its elegant design in keeping a secure,distributed chain of information would help real business scenar-ios as discussed inthe former section. The key points Further is aiming to achieve are.

a) Decentralizing the process of settlement, thus removing the mediator.b) Reducing the amount of money kept or blocked in deposit or safety accounts.c) Cost reduction on payments.d) Simultaneous cross-border payments.e) Customizable travel asset.f) Interoperability like merger, divide, exchange of the travel assets.

The digital coins used by Tripecosys are not registered by any government, its function is subject to the trust of its users, every-thing flows according to supply and demand. The cryptocurrency that we will use will be the TripPay(TCH) token.

Real-time settlement

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Whitepaper

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The purpose of multi-Signature wallets is to increase security by requiring multiple parties to agree on transactions before exe-cution. Transactions can be executed only when confirmed by a predefined number of owners.

9.4 TripEcoSys Multi-Signature Wallet

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Whitepaper

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• Can hold Ether and all kind of tokens with Multi-Signature support.• To stop one person from running off with the loot• To reduce key person risk in case one person is incapacitated or loses their keys.• Easy to use offline signing (cold wallet) support• Integration with web3 wallets (Metamask, Mist, Parity, etc)• Optional email notifications when an event is triggered or you are required to sign a transaction• Interacting with any contracts with UI support• Hardware wallet support (Ledger Wallet)• Transaction data and log decoding, makes transactions more readable

Features

At its core, a multi-signature wallet needs• A list of people who are allowed to do things.• Rules on how many of those people have to agree before it happens.• A way to receive ETHER.• A way to submit a request.• A way to agree to a request (and submit it if you are last).• A way to re-submit the request if it fails.

9.4.1 What will be our approach towards Ethere-um Multisig Standard?

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Whitepaper

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Recent events have brought Ethereum multi-signature wallets (a.k.a. “multisigs”) into the spotlight. Twice this year, hackers or general troublemakers have exploited vulnerabilities in the Parity multisig smart contract. Critics have been quick to cite these inci-dents when suggesting Ethereum can’t work due to a large attack surface, but the reality is much more nuanced.

TripEcoSys is currently holding a token sale and is stashing its funds in a secure offline setup. When weighing our storage op-tions, we immediately decided against all multisig smart con-tracts with which we were familiar, specifically those made by: Parity, Ethereum Foundation, ConsenSys, and Gnosis. This is not to say that all these wallets are exploitable (Gnosis’ wallet, for example, has held $200M for over a year without a breach), but the decision came from general prudence regarding complexity. None of these wallets met our needs, but that is not to say such a wallet cannot exist on Ethereum.

As a means of comparison, we can look at Bitcoin’s P2SH-based multisignature scheme, which has zero reported hacks since its first use in 2012. The difference in security indeed comes from a reduced attack surface, though this is largely by necessity in Bit-coin’s constrained Script scripting language. So let’s see how we will draw parallels between Bitcoin’s multisigs and a proposed Ethereum Multisig.

There are a load of nice to have as well, but that is enough to get started.

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Whitepaper

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Before exploring Ethereum, it is instructive to first understand how Bitcoin’s pay to script hash (P2SH) scheme works and how it applies to a multisig scheme. The formal P2SH definition can be found in BIP16. The steps are roughly as follows:

1. Generate a multisignature address based on a set of public keys and a “threshold” parameter, which is the minimum num-ber of signatures required to trigger a spend.2. Fund the new multisig address. This will produce a UTXO (unspent transaction output) owned by the multisig address.3. Create a new, raw offline transaction spending the multisig’s UTXO.4. Sign the raw transaction with one private key. This will re-turn a hex string.5. Sign the hex string with another private key. This will return a new hex string.6. Continue step 5 until the threshold is met (e.g. 3 signatures out of 5). Send the result in a script with the UTXO to spend. The bitcoins will transfer to the desired recipient.

9.4.2 Bitcoin Multisig Wallets

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Whitepaper

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If the goal is to emulate Bitcoin’s multisig scheme on Ethereum, we can learn a lot from the previous section. We need to create a multisignature scheme with no extraneous functionality and no in-between state. In other words, there can only be two out-comes to our multisig execution: make a transaction or do noth-ing.Note that Ethereum’s transactions are account-based rather than UTXO based, so they are more complex. By “make a transaction” I mean sign an arbitrary set of data to a specified address (which can be a contract address) with a specified value (i.e. amount of ether). In Solidity, this is represented as:

destination.call.value(value)(data)Another important property of Bitcoin multisigs is their instan-tiation. Once created, multisigs cannot be changed. This means that the owners of the contracts and the threshold parameter are frozen forever. The Ethereum parallel would be to create an immutable state upon instantiation.

9.4.2 Extending to Ethereum

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To summarize, we want the following attributes in our Ethereum mul-tisign:1. Binary outcome — either accept the transaction or fail immedi-ately.2. Restricted functionality — the wallet can make transactions, but it can’t do anything else.3. Creation finality — parameters are locked once the wallet is cre-ated.

Simple Proposal by Christian LundkvistChristian Lundkvist has proposed a multisig scheme that adheres to the above properties: here is his corresponding writeup.

The Full Code looks like this:pragma solidity 0.4.15;contract SimpleMultiSig {

uint public nonce; // (only) mutable state

uint public threshold; // immutable state mapping (address => bool) isOwner; // immutable state address[] public ownersArr; // immutable state

function SimpleMultiSig(uint threshold_, address[] owners_) { require(owners_.length <= 10 && threshold_ <= owners_.length && threshold_ != 0);

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address lastAdd = address(0); for (uint i=0; i<owners_.length; i++) { require(owners_[i] > lastAdd); isOwner[owners_[i]] = true; lastAdd = owners_[i]; } ownersArr = owners_; threshold = threshold_; }

// Note that address recovered from signatures must be strictly in-creasingfunction execute(uint8[] sigV, bytes32[] sigR, bytes32[] sigS, address destination, uint value, bytes data) { require(sigR.length == threshold); require(sigR.length == sigS.length && sigR.length == sigV.length);

// Follows ERC191 signature scheme: https://github.com/ethere-um/EIPs/issues/191 bytes32 txHash = keccak256(byte(0x19), byte(0), this, destination, value, data, nonce); address lastAdd = address(0); // cannot have address(0) as an owner for (uint i = 0; i < threshold; i++) { address recovered = ecrecover(txHash, sigV[i], sigR[i], sigS[i]); require(recovered > lastAdd && isOwner[recovered]); lastAdd = recovered; }

// If we make it here all signatures are accounted for

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nonce = nonce + 1; require(destination.call.value(value)(data)); }

function () payable {}

}

The Set up part looks like this:require(owners_.length <= 10 && threshold_ <= owners_.length && threshold_ != 0); address lastAdd = address(0); for (uint i=0; i<owners_.length; i++) { require(owners_[i] > lastAdd); isOwner[owners_[i]] = true; lastAdd = owners_[i];

}

ownersArr = owners_; threshold = threshold_;

This ensures owners are input in a sorted order and publishes them to the contract state. This is the only time ownersArr and threshold can be changed.

Once parameterized, the contract can be used for one and only one purpose: to execute a transaction (defined by to, value, and data pa-rameters). This execution looks like this:

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require(sigR.length == threshold); require(sigR.length == sigS.length && sigR.length == sigV.length);// Follows ERC191 signature schemebytes32 txHash = keccak256(byte(0x19), byte(0), this, destination, value, data, nonce); address lastAdd = address(0); // cannot have address(0) as an owner for (uint i = 0; i < threshold; i++) { address recovered = ecrecover(txHash, sigV[i], sigR[i], sigS[i]); require(recovered > lastAdd && isOwner[recovered]); lastAdd = recovered; } // If we make it here all signatures are accounted for nonce = nonce + 1; require(destination.call.value(value)(data));

This checks that threshold signatures* are provided and forms a hash** based on transaction parameters. It then goes through each of the signatures and verifies that it was made by an owner that eval-uates to greater than the previous owner. Note that the comparison is somewhat arbitrary — it is a simple hex string comparison. This con-straint further restricts the attack surface, but may not be necessary.

*Signatures here are represented as r, s, and v — these are generated from an elliptic curve signature of a hash; read more here.

**The hash here adheres to the proposed ERC191 standard.

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9.5 EXCHANGE

Your first step into the cryptocurrency world will most like-ly occur through an exchange. TripEcoSys internal cryp-tocurrency exchanges, that allow cryptocurrencies to be traded with each other. Our exchange supprts most of the famous coin’s & token’s

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9.5.1 Multi Token Trading

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If all checks pass, the provided parameters (to, value, and data) are used to make the transaction call within the contract. A nonce is in-cremented to prevent replay attacks. Note that this is the only state change that occurs. In theory, this contract’s attack surface is con-strained to this nonce value incrementing, which is trivially small.

The TripEcoSys Multi-Signature Wallet API provides a simple interface Merchants can use to programmatically interact with their wallet.TripEcoSys removes all technical issues regarding TripPay(TCH) inte-gration for businesses. We offer a reliable and ready-to-deploy instal-lation via the e-commerce plugins or TripPay(TCH) Payment Process-ing API.

9.6. Wallet API

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Make your business more flexible and client friendly – accept TripPay as payment from your clientsTripEcoSys provides the fastest, safer, and cheaper TripPay integra-tion for business: risk-free TripPay exchange services with low fees.

∞ Ad campaign.∞ Get reviewed by million of traveler which makes the Merchant service more trusted& reliable.∞ Easy to integrate through TripPay payment API or shopping cart plugins for WooCommerce, Magento, PrestaShop, Opencart, Drupal, WHMCS, and other platforms.∞ About instant payment receive and convert it to other support-ed cryptocurrency.∞ TripEcoSys, TripPay payment gateway can be used at both online sites and physical points-of-sale.∞ Advanced Ad viewer tracking system by the power of distribut-ed ledger technology.

9.7 Merchant service

9.7.1 Merchant feature’s:

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10. Roamap

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Blockchain technology is not only disrupting the way we distribute value, but it is also changing the way of companies are funded. Crowd funding with intermediaries and centralized platforms is slow and ex-pensive, and less efficient also. Instead to offer stock in an IPO, block-chain startup are offering TOKENS. This procedure is called ICO (Initial Coin Offering), and allows companies to have a direct access to capi-tal market.

To implement TripEcoSys vision, we are launching an initial coin offer-ing (ICO) to issue TripPay(TCH) token on the public blockchain. The tokens called TripPay(TCH) will be issued during the Pre-ICO and ICO.

11. Why ICO

12. Token Information

Contract Address 0xE06C94f0cbe4aD4D51bF22A2d4054CB60B8B435C

Token Name TripPay

Symbol TCH

Decimal 18

Total Supply 10,000,000,000 TCH

Platform Ethereum(ETH)

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13. Distribution of tokens

14. Fund Allocation

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15. Pre-ICO Rounds & Bonus Structure

ROUND PRICE BONUS TOKEN AMOUNT START-END

ROUND 01 $0.012 50% 450,000,000 TCH OCT 01-JULY 31

ROUND 02 $0.013 40% 450,000,000 TCH NOV 01 - NOV 30

ROUND 03 $0.014 30% 300,000,000 TCH DEC 01-DEC 31

ROUND 04 $0.015 20% 300,000,000 TCH JAN 01 - JAN 31

ICO Rounds & Bonus Structure

ROUND PRICE BONUS TOKEN AMOUNT START-END

ROUND 01 $0.016 20% 450,000,000 TCH FEB 01 - FEB 15

ROUND 02 $0.017 15% 450,000,000 TCH FEB 16 - FEB 28

ROUND 03 $0.018 10% 300,000,000 TCH MAR 01 - MAR 15

ROUND 04 $0.019 5% 300,000,000 TCH MAR 16 - MAR 30

Bounty system

SOCIAL MEDIA TCH AMOUNTReddit 500 TCH Facebook posting 500 TCH Twitter 500 TCHYoutube Depends on SubscribersOther forum posting 500 TCHBitcoinTalk 500 TCHTeleGram Joining 500 TCH

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16. Referral Bonus

Referral Bonus : 5% bonus for every time your referral buy TCH token and bonus token are withdraw-able at any time.