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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Using IOTA with Javascript

IOTA is a transaction system for the Internet of Things. It isn’t another Blockchain, it’s a new generation system, it uses Tangle (a revolutionary network of transaction strings). Bosch and Cisco are supporting this project. Value transfer without any fees (like the project Raiblocks, another big one). We can start developing Javascript Dapps using these…

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Smart-Contracts with Qtum

Qtum is another Chinese Ethereum like NEO ( we talked about NEO in the previous post: NeoLink: The MetaMask for NEO ) Qtum specifications are: Anonymity and robust security like Z-Cash Smart-Contracts development like Ethereum Integrates Segwit and Decentralized Governance Protocol. Uses UTXO model like Bitcoin, more efficient than Ethereum…. Staking Qtum in your wallet for a time…

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IT Services, JIRA Plugins & Trainings @Barcelona(Spain) @Bologna(Italy)

We provide solutions and integrations for your business needs. We provide BPO Services. We share our know-how in Agile Software developments (Scrum & Kanban) providing consulting services with the best professional tools We are experts in all Atlassian products ( JIRA, Confluence, Bitbucket, Hip Chat) and of some of the best plugins (Tempo, EazyBI, JExcel,…

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MetaMask for Ethereum Classic

MetaMask only supports officially Ethereum and the Ethereum Testnets, but you can use a branch of MetaMask to use it with Ethereum classic. (You can download from here) See here also the code of the new development of ClassicMask. If you don’t know the history between Ethereum and Ethereum Classic, you can read the Dexaran interview here.…

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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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