How do you utilize the cryptocoin hype? Let's walk through through the process of creating a coin and ICO landing page using the Ethereum platform.

1. How to build a coin
and start an ICO
Espeo Ninja Academy

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Agenda
1. Ethereum and smart contract development introduction
[30 min]
2. Coin and ICO requirements discussion [30 min]
3. Smart contract implementation [3 hours]
4. Pizza break! [30 min]
5. ICO status page implementation [1 hour]
6.
Description of workshops:
http://espeo.eu/blog/workshops/build-coin-start-ico/
1.

3. Why blockchain?

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Ethereum
 Decentralized platform -
global computer
 Own currency - Ether
 Accounts:
 Externally owned
(private keys)
 Smart contracts

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Ethereum
 Tools:
 MyEtherWallet
 Mist
 Parity wallet
 Etherscan.io
 Go-ethereum, Parity…
 Networks:
 Production: Mainnet
 Test: Ropsten, Rinkeby,
Kovan
 Private

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 Goal: fundraising
 Unregulated
 Coin vs token
 ERC20 standard
 Elements:
 Smart contract(s)
 Status page
 Whitepaper
 Marketing
Initial Coin Offering

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Smart contract development
Process
1. Specification
2. Implementation + unit tests (TDD)
3. Building (bytecode + ABI)
4. Deployment
5. Testing
Immutability!
Tools
Solidity,
OpenZeppelin Solidity contracts,
Truffle Framework,
Testrpc,
JavaScript unit tests,
MyEtherWallet.com,
Solium

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Example

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ICO specification
Let’s decide! It’s up to you!
 Duration - start/end dates, ending conditions (min/max caps),
 Bonus scheme,
 Tokens accessibility,
 Funds accessibility,
 Fallback scenario,
 ...

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Coding time!

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Integrating Ethereum with apps
 JSON-RPC API
 Libraries: web3.js, web3j, Nethereum, ethereum-ruby
 INFURA.io infrastructure
 ABI necessary for smart contract interaction

 Private key handling:
 One of many libraries: ethjs-account, eth-lightwallet...
 Mist browser, MetaMask Chrome extension - inject web3.js

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ICO status page
 Time until end
 Total raised
 Total sold
 # of participants
 Bonus scheme
 ...

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Coding time!

14. Click for resources:
Article – How to Build a Coin and Start an ICO
Article – State of Blockchain 2017
GitHub link: https://github.com/espeo/token-ico-
example

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