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0 sats \ 1 reply \ @Rexdentron OP 8 Oct 2024 \ parent \ on: REXEARCH : Virtual Size of Onchain Transaction bitcoin_beginners
https://yogh.io/tx/23e2e8453fd9d00fc38833e996e042c35d60f5ac2196a2462a44930323694c17/

That was beautiful ngl, not quite the same but Greg Walker also made something similar with his explorer

ECDSA signatures are not fixed in size. High-s signatures became non-standard after 2014

LOL, are Schnorr (for P2TR) & FALCON (for upcoming P2QRH) safe from this ?

b426792a6f8f78e59172c1a65db1da4b60797162f9081b6f7a8b31665597d537 should fit the bill.

TX ID + VOUT + scriptSig length + scriptSig + nSequence = 32 + 4 + 1 + 35 + 4 = 76
Witness = 63.5
Total = 139.5 (yeay, finally)

I can offer this 2-of-2 P2TR transaction meanwhile, if that is of help: https://mempool.space/tx/905ecdf95a84804b192f4dc221cfed4d77959b81ed66013a7e41a6e61e7ed530

TX ID + VOUT + scriptSig length + nSequence = 32 + 4 + 1 + 4 = 41
Witness = 66.75
Total = 107.75 (that's new to me)

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0 sats \ 0 replies \ @Murch 8 Oct 2024
https://yogh.io/tx/23e2e8453fd9d00fc38833e996e042c35d60f5ac2196a2462a44930323694c17/


That was beautiful ngl, not quite the same but Greg Walker also made something similar with his explorer

Oh cool, I hadn’t seen that addition to Greg’s site yet.

ECDSA signatures are not fixed in size. High-s signatures became non-standard after 2014


LOL, are Schnorr (for P2TR) & FALCON (for upcoming P2QRH) safe from this ?

Yeah, ECDSA signatures used a weird encoding, but the schnorr signatures have a fixed size encoding. No idea about P2QRH, that seems a bit far out still.

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