 🔗 The network can be imaged as a frame or a structure made up of elements such as nodes for example and which are interconnected by links which obey certain operating rules.
📝 Blockchains use a P2P (“peer-to-peer”) network to manage their ledger. Instead of keeping the ledger in one place, the ledger is copied thousands of times and is owned by all network participants. If someone joins the network (anyone can), they get a full copy of the blockchain. Once the new block has been created, it is sent to all the participants of the network who check it, that is to say check that it fulfills the associated characteristics (this takes a few milliseconds).
And when everything is in order, the block is then attached to the tail of the blockchain.
All participants in the network create a consensus with this process, this means that they all agree on which blocks are valid and which are not.
Châtaigne.
