A ledger is a large log-type database that records all transactions chronologically. This ledger is either centralized or decentralized depending on its use.
Cryptocurrencies use decentralized ledgers (Decentralized Ledger), where each node has a copy of this ledger. The decentralized ledger is a key element of the blockchain, but it is not one. The blockchain is a type of decentralized ledger, on which a layer of high security such as cryptography is added.
Towards a trusted, personal, persistent, and portable digital identity for all. Digital identity issues Self-sovereign identities are an attempt to solve a couple of issues. The first is the…
By Nabil MELLAL
Jan 23, 2019
Apache Flink is a little gem which deserves a lot more attention. Let’s dive into Flink’s past, its current state and the future it is heading to by following the keynotes and presentations at Flink…
Nov 5, 2018