Fig. 1From: ESR white paper: blockchain and medical imagingTransactions in a blockchain. Blocks, Nodes and Hash: Blockchain structure of Bitcoin: The data is stored in a continously growing list (chain) of records (blocks). Figure by: Matthäus Wander—Own work, CC BY-SA 3.0, https://commons.wikimedia.org/w/index.php?curid=26816920Back to article page