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Jameson Lopp Flags April 9, 2026 Spike of 200,000 Fake Bitcoin P2P Addresses
A sharp anomaly in Bitcoin's P2P network began on April 9, 2026, when unsolicited ADDR messages pointed to a jump in unreachable addresses from about 50,000 to over 250,000 per day. Casa co-founder and developer Jameson Lopp said the pattern may indicate an attempt to seed fake peer data as potential preparation for a Sybil-style attack. Bitcoin later traded around $81,000, up 0.36% for the session.