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11

First off, utxos and accounts aren't that different. You can look at the pair (account, counter) as almost equivalent to a utxo. The main reason has to do with concurrent access to smart contracts. In most cases, two transactions to the same smart-contract will commute (or almost commute) and therefore the senders do not need to know what other transactions ...


4

Sure, "non-commutativity" has its challenges. Mempool management is closely aligned with incentive mechanism and thus the baker's strategy. In tezos, as far I know, endorsement operations have higher precedence (preferred by bakers) as they determine the fitness of the block they are going to produce and therefore the chance of it being part of canonical ...


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