Protected: Workshop Ethereum Smart-Contract Development in Spanish

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Simple example of Ethereum Dapp! Without central server. All with Javascript and MetaMask

English – https://elconsejosimpatico.github.io ElConsejoSimpatico.org is something like a totally decentralized Twitter, to test any kind of CENSORSHIP and DDoS attack (Denial of Service), based on smart contracts in the blockchain of Ethereum using only HTML5 pages and javascript type Web3 to work. Remember that you must use MetaMask in your browser, or use Brave as…

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Ties.DB a database in Ethereum with Smart-Contracts

Imagine a way to create a Database over Ethereum using Smart-Contracts. Imagine a mix with Ethereum Blockchain and NoSQL Apache Cassandra technologies. Imagine searching using CQL over your Database over Ethereum. That’s Ties.DB!! We can make a try in this web. (You must use MetaMask in your Browser connected to Rinkeby Ethereum test-network and some Ether…

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Web3.js Documentation and examples

The web3.js library is a collection of modules which contain specific functionality for the ethereum ecosystem. The web3-eth is for the ethereum blockchain and smart contracts The web3-shh is for the whisper protocol to communicate p2p and broadcast The web3-bzz is for the swarm protocol, the decentralized file storage The web3-utils contains useful helper functions for Dapp developers. Here the full documentation. Here…

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