SpiderPool's large OP_RETURN activity has been accelerating lately -> Five in the last 7 days.
Most recent one: a 10KB MP3 (royalty-free UI click sound from http://SoundJay.com) inscribed in a single transaction via three OP_RETURN outputs, using a 'pwm1:' file-inscription protocol.
https://mempool.guide/tx/1ecf14fbbba8e5fb9bfbde9bde35b10f932c79bb4f979d3e0e477226855c7712
BIP-110 fixes this.
https://thebitcoinportal.com/onchain/spam-analysis/op-return
Renaud / Renaud Cuny
npub1gt…y3a7q
2026-05-07 11:00:56 UTC
Author Public Key
npub1gth6pfk5gp80dyjx5ll590zqddcf3k8j2qyyqxa6l37utyz4nlzsay3a7qPublished at
2026-05-07 11:00:56 UTCEvent JSON
{
"id": "6b0843a8e08f6f34901adc8f0db9a35749fc1ece690f3efa5f771627d5b00e33",
"pubkey": "42efa0a6d4404ef69246a7ff42bc406b7098d8f25008401bbafc7dc590559fc5",
"created_at": 1778151656,
"kind": 1,
"tags": [
[
"r",
"wss://nostr.azzamo.net/flint-bravo-haven"
],
[
"r",
"wss://relay.primal.net/"
],
[
"r",
"wss://relay.agorist.space/"
],
[
"r",
"wss://nostr.spacecitynode.com/relay/umbra"
],
[
"r",
"wss://relay.cal3b.com/papa"
],
[
"r",
"wss://purplepag.es/"
],
[
"r",
"wss://nos.lol/"
],
[
"r",
"wss://nostr.bitcoiner.social/"
],
[
"r",
"wss://relay.damus.io/"
],
[
"client",
"Primal Web"
]
],
"content": "SpiderPool's large OP_RETURN activity has been accelerating lately -\u003e Five in the last 7 days.\n\nMost recent one: a 10KB MP3 (royalty-free UI click sound from http://SoundJay.com) inscribed in a single transaction via three OP_RETURN outputs, using a 'pwm1:' file-inscription protocol.\nhttps://mempool.guide/tx/1ecf14fbbba8e5fb9bfbde9bde35b10f932c79bb4f979d3e0e477226855c7712\n\nBIP-110 fixes this.\n\nhttps://thebitcoinportal.com/onchain/spam-analysis/op-return",
"sig": "425f1d6cdeb32b289f862beda12ab8414f34f83a6f420a14ac1170b086cdcba2ce8f2278c82deac14d04be6918bb53b867eeecea04a388dc263811a998bde1cf"
}