"Flash BTC Transaction Core" software is a prevalent cryptocurrency scam designed to steal funds through fake transactions that never confirm on the blockchain. These tools are often malware that create false wallet balances, and users are warned to only use official software, such as Bitcoin Core . Download Bitcoin Core
The "Flash" in the title refers to both on-chain and off-chain speeds. Core 63.0 comes pre-bundled with a re-engineered Lightning Node (LND 0.18+) that routes payments 22% faster than standard configurations. flash btc transaction core network 63 0 download top