Internet reports that in response to Grok's article stating that "the Bitcoin block size is about 664 GB, which is growing by about 72 GB every year. Removing the OP_RETURN limit can increase the block size by about 20%." Casa co-founder Jameson Lopp responded in a post on the X platform: If you rely on artificial intelligence to explain the technical details of Bitcoin, the experience must be terrible. This answer is complete nonsense. The block size data based on OP_RETURN is actually much smaller than the block size recorded based on witness information.