Record Modification. This transpires when an attacker tries to reverse the transaction in the blockchain, which can be impossible to perform if participants wait for more blocks for being developed (identified as confirmations). Pemrogram ini kemudian lanjut membuat daftar konsensus PoS, serta verifikasi tanpa position, dan waktu blok twelve detik, https://britedirectory.com/listings12792540/the-smart-trick-of-etfs-that-no-one-is-discussing