Bitcoin Core also faced backlash for its transaction relay policy, accused by critics such as Luke Dashjr of facilitating spam and undermining Bitcoin's decentralization

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In an X post, Dashjr noted: “The goals of transaction relay listed are basically all wrong. Predicting what will be mined is a centralizing goal. Expecting spam to be mined is defeatism. Helping spam propagate is harmful.”
“NACK. The goals of transaction relay listed are basically all wrong. Predicting what will be mined is a centralizing goal. Expecting spam to be mined is defeatism. Helping spam propagate is harmful,” Dashjr posted on X (Twitter).