If a person sends a transaction to another person, and itsBitcoin is a peer to peer transaction-to-peer application, how will the transaction get to the rest of the BitCoinBitcoin community? How isdoes everyone have the same blockchain updated for everyone at once after every transaction?
IsDoes every system know about every other system in the network and how?
How can one system know about all the other systems on the network and If so, how is every system keep the same ~20Gb blockchain.?