by Gábor Kiss-Vámosi
Last Updated October 08, 2019 11:27 AM - source

From this question I've learned that a transaction with `N`

inputs requires `N`

sign operations.

But what if there a huge amount of inputs? E.g. I have a coffee shop and I sell 5000 pcs coffee every day for $1 each. If I want to transfer my daily income I'll end up with a transaction with 5000 inputs.

Counting with 100kB max transaction size ~300..400 inputs can be included in one transaction. So I need to make 10..15 transactions every day. In addition, if I have a hardware wallet that needs let's say 500 ms to make a signature it will take 5000*0.5 sec = 41 min to sign all the inputs.

What is the correct way to handle this?

Is there an option to sign the transaction only once and use this signature for all the inputs?

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