As of block 788488 the #bitcoin mempool contains about 291,094 unconfirmed transactions.
An estimated 228,590 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: 141 MvB
ord transactions size: ~54 MvB
addtl. miner fees: 574,025,471 sats