Protected: Workshop Ethereum Smart-Contract Development in Spanish

There is no excerpt because this is a protected post.

Read More
Advertisements

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…

Read More

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…

Read More

How to print custom PDF templates of Jira tickets using Confluence

In this example, we will create a Confluence page and we will use it as “Template” to print documents (in this case issue tickets) in PDF or directly to the printer. Based on this exercise:  How to show Jira ticket fields in Confluence pages As prerequisites we need: Jira Server Confluence Server Optional: Atlassian Crowd to…

Read More

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…

Read More

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…

Read More