If you meant the actual Bitcoin Core software to run a node, do not download from unverified "flash" sites.
"Flash BTC" software claims to allow users to send Bitcoin that appears as "pending" in a recipient's wallet but never actually confirms on the blockchain. flash btc transaction core network 63 0 download upd
If you are looking for the legitimate software (the actual network software that validates transactions) or the Flash Protocol (a legitimate layer/protocol on Bitcoin), please see the correct resources below. If you meant the actual Bitcoin Core software
If you meant the actual Bitcoin Core software to run a node, do not download from unverified "flash" sites.
"Flash BTC" software claims to allow users to send Bitcoin that appears as "pending" in a recipient's wallet but never actually confirms on the blockchain.
If you are looking for the legitimate software (the actual network software that validates transactions) or the Flash Protocol (a legitimate layer/protocol on Bitcoin), please see the correct resources below.