As of block 788519 the #bitcoin mempool contains about 306,362 unconfirmed transactions.
An estimated 239,763 transactions or ~78% appear to be related to ordinals, filling over 38% of the total mempool storage space.
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total #mempool size: 146 MvB
ord transactions size: ~56 MvB
addtl. miner fees: 674,199,390 sats