April 2026
Intermediate
288 pages
9h 2m
English
Blockchain networks are the foundation of digital assets. As discussed in Section 1.1.2, they are distributed databases that are shared across a network of nodes. The main network of a blockchain is called the mainnet.
We usually refer interchangeably to the blockchain network and the digital asset that is supported by the network natively. Namely, Bitcoin is the name of the blockchain network and the digital asset that is supported by the network. The same convention applies to Ethereum in practice, despite the coin being actually called Ether.
Most blockchains are databases where transactions or account balances are stored. The ledger refers to the record ...
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