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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Workshop en Barcelona: Cómo invertir con BITCOIN y ETHEREUM

Código curso: 10092 Fabricante: KNOWTECH Especialidad: workshop Nivel: Intermedio Duración: 3 horas Precio: 60 € BLOCKCHAIN , BITCOIN , ETHEREUM , TOKEN , GNOSIS , GOLEMS , RIPPLE , WORKSHOP Descripción BlockChain está aquí y ha venido para quedarse. Que mejor introducción que la siguiente: En 2009, un hombre de Noruega compró 27$ en Bitcoins mientras escribía una tesis sobre encriptación, y luego se olvidó de ellos… 4 años después, después de que Bitcoin subiera…

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NeoLink: The MetaMask for NEO

NEO is much more than a Chinese Ethereum… Faster transactions Delegated Byzantine Fault Tolerance…as consensus Safe from Quantum computers… Multi-language support for Smart-Contracts (Solidity, Java, C, Python) NEP5 Tokens (like ERC20 Ethereum Tokens) Owners of NEO get paid in the form of GAS tokens (like a dividend) And… now with NeoLink browser interface (something like…

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How to call methods of Ethereum Smart-Contracts from WordPress with MetaMask, Web3 and Javascript (PART II)

This post is the continuation of the previous post: How to call methods of Ethereum Smart-Contracts from WordPress with MetaMask, Web3 and Javascript Now we want to call the method “buy” and send some Ether in the transaction to buy tokens from our Ethereum Smart-contract (for MAAT tokens). Then we must change the javascript code…

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How to call methods of Ethereum Smart-Contracts from Wordpress with MetaMask, Web3 and Javascript

First you must create and deploy a SMART-CONTRACT in the Ethereum Test Net, you can follow these instructions: Creating my first Ethereum Smart-Contract in Test net Creating MrAddon token in Ethereum This post is based in the information of the previous post: Javascript development to interact with Ethereum Smart-Contracts To start, we have hosted a…

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