No. Changing client settings does not affect consensus rules. Only consensus rules determine what a valid transaction is. Since everything in Bitcoin is data, everything can be used for spam. Read this ffs:
https://www.bitmex.com/blog/the-unstoppable-jpg-in-private-keys
brent / ₿rent
npub1jd…08ry0
2026-01-05 15:43:06 UTC
in reply to nevent1q…yr4s
Author Public Key
npub1jd3r7j8zhpprq9j5hsxev4lmkctyk7d9dmsv4avtne9dawavcwyq008ry0Seen on
wss://nos.lolPublished at
2026-01-05 15:43:06 UTCEvent JSON
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"pubkey": "93623f48e2b842301654bc0d9657fbb6164b79a56ee0caf58b9e4adebbacc388",
"created_at": 1767627786,
"kind": 1,
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"content": "No. Changing client settings does not affect consensus rules. Only consensus rules determine what a valid transaction is. Since everything in Bitcoin is data, everything can be used for spam. Read this ffs:\n\nhttps://www.bitmex.com/blog/the-unstoppable-jpg-in-private-keys",
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