Blockchain//Besu

- Hyperledger Besu: Java-based Ethereum client, supports PoA (Clique/QBFT) and PoS networks.

Hyperledger Besu: Java-based Ethereum client, supports PoA (Clique/QBFT) and PoS networks.

Can run entirely via Docker image (hyperledger/besu) — no local Java/JDK install required.

Node identity = Ethereum account (key pair + address)

Configuration layers: genesis.json (network rules) + config.toml (node behavior) + CLI flags.