In blockchain, a rollback refers to reversing its history to counter a disastrous event, such as big hacks threatening to disrupt the ecosystem, the discovery of critical protocol bugs or ...

The layer-1 network, Flow, scrapped plans to roll back its blockchain following a $3.9 million exploit, reversing course after pushback from ecosystem partners who warned that rewriting chain history ...

The Flow blockchain is set to resume operations following a key decision by its validators to revert the network’s transaction ledger to a state before a major security breach late Friday, which ...

Learn how to resolve stuck Bitcoin transactions in 2025 with this comprehensive step-by-step guide, including using RBF, CPFP and mining pools. Bitcoin transactions may take from one minute to several ...

Bitcoin blocks record validated transactions every 10 minutes across the decentralized blockchain. SegWit allows blocks to fit more data, improving transaction throughput without changing the base ...