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¡Ì[Qe3¦Ö¾ñÿÊ@AæOTP/ëöëL·Chaining txs is clunky and limited to 25 txs per block. Hopefully the OP_RETURN size is increased instead. Otherwise an off-chain solution might be better in the interim, e.g. IPFS.
https://whatsonchain.com/tx/076736a973054d23e3d3e24e41dca974787202d98d0176b614741c1adb9d6cda