Express-box is the NodeJS+ExpressJS+Truffle Ethereum API backend startup project. You can use this express-box project to build ethereum integrated API backend with express.js framework. Reference: https://truffleframework.com/boxes/express-box
Open Source Crypto Exchange – ForkDelta
When you start to build exchange project, you can use this open source project discovered by RK! Forkdelta is forked from etherdelta and fully customized. Forkdelta opened full source of backend and frontend in github. https://github.com/etherdelta https://github.com/forkdelta
Ethereum Tokens Explorer
It is the similar blockchain explorer as etherscan.io.Etherscan.io only provides basic APIs for developers but Ethplorer provide much more rich APIs and more detailed information about ERC20 tokens.Disadvantage of this explorer is we can’t guarantee the accuracy of provided data. (It is noted in their official documentation.)https://ethplorer.io/
Jincor
https://github.com/JincorTech It is ICO dashboard template of Jincor ICO project.They’ve created JCO ERC-20 token and published their ICO project source into github.It includes authentication, email & phone verification, KYC modules.
Oraclize in Solidity
Solidity naturally has several problems that is difficult to implement. One of the things is read off-chain data from smart contract.Let’s say, if I want to get ETH/USD price in real time from smart contract, we don’t have a way to get from outside of blockchain. Oraclize bridges between on-chain and off-chain data sources and …
Javascript VM mode in Remix
When you develop smart contracts in Remix, it’s fucking that every test transactions are dragging so much time. So even for simple smart contract, we have to take much time for just transaction validation and testing. Remix provides Javascript VM mode for the blockchain emulation.Javascript VM mode is just memory based “blockchain”. It has same …
Blockchain Explorer
Blockchain explorer is a website which lists all information about blockchain. Latest transactions, block details, transaction history by address, balance by address, etc. Every blockchain in crypto world has their own blockchain explorers. https://blockexplorer.com/ https://www.blockchain.com/explorer There are several blockchain explorer open source projects which we can reuse when we develop our own explorers. One of …
Electrum – BTC Wallet
Electrum is the light weighted BTC wallet. It has consumer apps for windows, macOS, Linux distributions.There is a testing network app for windows, which we can use for development purpose. We can use Electrum to implement BTC payment system. Reference: http://docs.electrum.org/en/latest/