Blockchain "engineering" has a lot illusions. Whenever you enter the DAPP (web page) which reads data from the blockchain - it reads it from a blockchain node, through a provider. Does it mean that DAPP creators operate a node and integrated a…

The distribution of the ARB token implies a 27% allocation of the ARB token to the Arbitrum project team, and 17.53% to investors. Individual portfolios is only 11.62% of the allocation.

So how do we create a decentralized oracle? The model is as follows: a contract should ask several oracles to execute the same query, get results from each oracle, and then determine the correct answer on its own based on multiple results (answers…

External data to the smart contract (from outside the blockchain) can be provided only, as parameters (arguments) of its call. Oracles are software running outside the blockchain, which listens for "requests" by smart contracts for external data,…

Truffle Suite is the tool pack dedicated to Ethereum developers (focusing on smart contracts). That very actively developed project is currently one of the most popular frameworks for implementing, testing and running Ethereum based decentralized…

Sharding is going to be scalability solution in upcoming Ethereum 2.0 and the enhancement hope for many other blockchains. Scalability is the speed key factor of the blockchain. This word is used to describe all the technology solutions which have…

The news about releasing the Ethereum Studio developer environment was today published on the Ethereum blog. How does look like the new IDE and can it compete with popular RemixIDE? Let's take a look on the new tool and check what it offers.