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Why the size of the block 656143 is so big (Size: 2,337,727 bytes), taking into account a relatively small number of transactions (Number of Transactions: 84)?

Extra question: What is the block size limit in Bitcoin nowadays? I found some guidelines here:

Bitcoin blocks now have a theoretical maximum size of 4 megabytes and a more realistic maximum size of 2 megabytes.

However, the size of the block 656143 is ~2.3Mb; therefore, a "more realistic maximum" is not that realistic :)

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Why the size of the block 656143 is so big (Size: 2,337,727 bytes), taking into account a relatively small number of transactions (Number of Transactions: 84)?

It contains a number of transactions which are substantially larger than average (it is spending a very large number of outputs, legacy P2SH multisig scripts), so an assumption based on the average size of transactions does not hold.

duh?

However, the size of the block 656143 is ~2.3Mb; therefore, a "more realistic maximum" is not that realistic :)

The quote refers to the assumed average size, not including obvious outliers like this.

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  • Shouldn't it be "inputs" instead of outputs in a "very large number of outputs"?
    – Remis
    Dec 3 '20 at 22:44
  • Possibly! The nomenclature in Bitcoin is always a little strained, in this case the transaction is spending a large number of outputs (UTXO entries), which are the inputs to the transaction I showed in the screenshot.
    – Claris
    Dec 3 '20 at 22:46

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