Angel Java LopezWorld State and Block ExecutionEvery day, I’m having fun implementing a blockchain in Java (see project, see posts), based on Ethereum, like others, like RSK, my daily…6 min read·May 25, 2021----
Angel Java LopezOne Code Many StoragesWhen you deploy a compiled smart contract to an Ethereum-like blockchain like RSK, your transaction includes the compiled bytecode…2 min read·Apr 9, 2021----
Angel Java LopezFiles in the BlockchainThese days I am practicing programming smart contracts in Solidity using TDD. There are several projects I am working on: some DeFi…2 min read·Feb 16, 2021----
Angel Java LopezDatabase-like Tables in BlockchainBased on an idea by bguiz published in RSK reseach forum: Crazy Idea: New opcodes for relational DB like data reads and writes, I was…3 min read·Dec 15, 2020----
Angel Java LopezDecoupling Storage from Execution in RSK BlockchainThese years I was programming a log, using TDD (Test-Driven Programming), to keep me trained in design and developer skills. To me, TDD is…3 min read·Dec 8, 2020----
Angel Java LopezPaying Storage AccessIn an Ethereum-like blockchain (like RSK or my personal project BlockchainJ) the smart contracts have a linear storage, composed by cells…3 min read·Nov 27, 2020----
Angel Java LopezBuilding a Blockchain: Executing Smart ContractsI’m very proud of my favorite personal project BlockchainJ: build a Blockchain in Java, from scratch, using TDD (Test-Driven Development)…2 min read·Nov 25, 2020----
Angel Java LopezAnalyzing RSK Blocks: MinersSome months ago, I wrote about Command Line Tools for RSK Node; now those tools are included in the latest RSKJ release (under the package…2 min read·Nov 2, 2020----
Angel Java LopezTokens for Your UsersSuppose that you have an online web site, social network, or game. Your users connect with your server(s) using a mobile, web or desktop…3 min read·Oct 31, 2020----
Angel Java LopezBuilding a Blockchain: Towards Beam SynchronizationI’m very enthusiastic about my personal open source project BlockchainJ, a blockchain written in Java using TDD. To me, it’s very…4 min read·Oct 30, 2020----