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10 sats \ 0 replies \ @john_doe 3 May \ parent \ on: Greg Maxwell on OP_RETURN bitcoin
Actually I didn't read this post but this one and it was more detailed:
https://gnusha.org/pi/bitcoindev/9c50244f-0ca0-40a5-8b76-01ba0d67ec1bn@googlegroups.com/#t