More AI: " **Driving User Activation (UASF):** * A contentious soft fork can become "User-Activated" (UASF). This means **economic nodes (exchanges, wallets, payment processors) pre-commit to enforcing the new rules by a specific date, regardless of miner signaling.** * This creates immense pressure on miners to follow, as mining blocks rejected by the dominant economic ecosystem is economically irrational. The 2017 SegWit activation (BIP 148) is a prime example where economic node commitment drove miner adoption."