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11 votes
Accepted

Is there an economic incentive to switch from P2WPKH to P2TR?

Facts A P2WPKH input weighs 68 vB (assuming the worst-case with a high-r signature, -0.25 vB with a low-r signature) and a P2WPKH output weighs 31 vB for a total of 99 vB. A P2TR input weighs 57.5 vB ...
Murch's user avatar
  • 76k
8 votes
Accepted

When is OP_RETURN cheaper than OP_FALSE OP_IF?

TL;DR: OP_RETURN is cheaper for data smaller than 143 bytes. The overhead of an OP_RETURN output is at least 11 bytes: amount (8 bytes) compact size of script (at least 1 byte) script: OP_RETURN ...
Vojtěch Strnad's user avatar
3 votes
Accepted

Why was there a jump in transactions per block in 2023?

The blame is on BRC-20, a terribly inefficient token protocol built on Ordinals that saw a lot of use during that time. BRC-20 requires a huge number of small transactions, which drives down the ...
Vojtěch Strnad's user avatar
2 votes
Accepted

Are RBF transactions on average larger in size than its predecessors and than non-RBF transactions?

A RBF replacement transaction can be larger, smaller or have the same size as the transaction it replaces. It basically depends on whether it adds or removes any inputs and outputs: If the original ...
Vojtěch Strnad's user avatar
2 votes

How to understand the fees of Bitcoin transfer?

How do we interpret this chart? For example, what if it is a one person to one person transfer, then what will the fees be? You have to figure out the size of a transaction before it's sent1,2 Then ...
RedGrittyBrick's user avatar

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