Bitcoin’s Cold War: 3,000 Nodes at Risk in Core Policy Clash

Bitcoin’s Cold War: 3,000 Nodes at Risk in Core Policy Clash
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A heated debate over Bitcoin Core’s removal of the 80-byte OP_RETURN relay cap has escalated into a node-banning campaign, threatening to isolate nearly 3,000 Bitcoin Knots nodes. With Core’s v30 release approaching, the dispute highlights growing tensions over network policy and decentralization. The clash could reshape transaction propagation and miner behavior without requiring a hard fork.

  • A GitHub script auto-banning Bitcoin Knots nodes could isolate 13% of Bitcoin's network, challenging decentralization metrics ahead of Core's v30 release.
  • The policy clash stems from Core's removal of an 80-byte limit on OP_RETURN data fields, which critics argue incentivizes blockchain spam while proponents see it as fee-market evolution.
  • Miners and relay operators now hold decisive power, as their individual policy choices will determine whether large OP_RETURN transactions propagate or face de facto censorship.
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