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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How to build your own Blockchain/coin with the same technology like Monero (XMR)

We will use the blockchain-base-code of the CryptoNote Foundation. See link Requisites: Buy one or two Ubuntu-based dedicated servers (at least 2Gb of RAM) for seed nodes. Time and follow the link instructions. See link Example of coins based on cryptonote code: Bytecoin (BCN) Dashcoin (DSH) Monero (XMR) Croat (CROAT) the new Catalan altcoin Characteristics: PoW…

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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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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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Ethereum or Hyperledger? IOTA or Hashgraph?

Here some useful comparatives between Ethereum, Hyperledger Fabric and R3 Corda blockchain frameworks from the fantastic article of Philipp Sandner (see here). Enterprise Ethereum Alliance (EEA) is an organization to make the Ethereum blockchain useful for Business cases (like the Hyperledger frameworks) Why Enterprise models if you can use a public blockchain like Ethereum? We want…

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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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