As of block 788518 the #bitcoin mempool contains about 300,774 unconfirmed transactions.
An estimated 236,293 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: 145 MvB
ord transactions size: ~55 MvB
addtl. miner fees: 622,856,067 sats