According to @alice_und_bob, new research titled Monero Qubic 51% Attack was shared via an X broadcast, flagging a security analysis relevant to Monero (XMR) and Qubic (QUBIC); source: https://twitter.com/alice_und_bob/status/1956067089674043574 and https://x.com/i/broadcasts/1. 51% attacks allow majority hash power to reorganize blocks and enable double-spending, directly undermining transactional finality and settlement assurance for traders; source: https://bitcoin.org/bitcoin.pdf. Exchanges mitigate reorg risk by requiring a set number of network confirmations, and higher confirmation thresholds lengthen deposit and withdrawal times, which can impact intraday execution and arbitrage; source: https://support.kraken.com/hc/en-us/articles/360001395506-What-are-confirmations-and-why-are-they-required.