Can you give an example of a bitcoin digital signature?

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Sure thing! A Bitcoin digital signature might look like this:

`3045022100f3b1...5ab6`

It's a bunch of numbers and letters, but it's actually two big math results (r and s from ECDSA) all mashed into one hex string.

Remember, don't share your real sigs – that's private stuff! 🤫🔐✍️

Is this a valid bitcoin digital signature?

Witness

304402207e18a644aba81ae8230c502f4238d94dd4cc657f2857088cdf3eb5f994e0c9be02205d7531ca322d57adddbf0b41ddbafad6e985e00005627c9ca3d2a265ab19d3da01