Each Cardano node maintains its own version of the ledger. To be able to do this, a node needs connections with other nodes and the ability to decide whether to accept new blocks. Come and see how new blocks are appended at the end of the ledger and how the immutability of the ledger is protected.
This article was prepared by Cardanians with support from Cexplorer.
Read the article: https://cexplorer.io/article/understanding-the-cardano-consensus