Episode 98: Return of the OP_RETURN
Ep. 98

Episode 98: Return of the OP_RETURN

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Episode description

Aaron and Sjors discuss the proposal to remove the OP_RETURN limit from Bitcoin Core.

Chapters

00:00:00 Opening and COLDCARD sponsor
00:03:57 The OP_RETURN debate and how the opcode works
00:13:35 Fake public keys and UTXO set pollution
00:19:37 Relay policy, consensus and the 80-byte limit
00:28:50 New metaprotocols, inscriptions and data costs
00:38:07 Citrea and the case for lifting the limit
00:42:59 Can relay filters stop blockchain spam?
00:52:45 Mining centralization, fee estimates and compact blocks
00:59:52 Fighting spam with consensus changes
01:04:28 Configurable limits and the harm reduction debate

This episode’s sponsor: CoinKite, maker of the COLDCARD.

Aaron’s Nostr: ⁠npub1art8cs66ffvnqns5zs5qa9fwlctmusj5lj38j94lv0ulw0j54wjqhpm0w5⁠

Sjors’ Nostr: npub1v25jqj332n630klwtqeqxgyrjl4alw4phmluhu2x6lcxzwy9m03suqexw3

0:00Opening and COLDCARD sponsor
3:57The OP_RETURN debate and how the opcode works
13:35Fake public keys and UTXO set pollution
19:37Relay policy, consensus and the 80-byte limit
28:50New metaprotocols, inscriptions and data costs
38:07Citrea and the case for lifting the limit
42:59Can relay filters stop blockchain spam?
52:45Mining centralization, fee estimates and compact blocks
59:52Fighting spam with consensus changes
1:04:28Configurable limits and the harm reduction debate