What Is a Blockchain Reorg and Why It Matters

Blockchain reorganizations, where networks discard recent blocks to follow a longer chain, have exposed weaknesses in proof-of-work (PoW) systems, highlighted by Monero’s August 2025 ordeal and earlier disruptions across other blockchains. Decoding Chain Reorgs A blockchain reorganization, or reorg, happens when a chain of blocks is abandoned in favor of a competing version with greater […]