As of block 790400 the #bitcoin mempool contains about 266,012 unconfirmed transactions.
An estimated 221,750 transactions or ~83% appear to be related to ordinals, filling over 42% of the total mempool storage space.
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total #mempool size: 200 MvB
ord transactions size: ~84 MvB
addtl. miner fees: 503,958,692 sats