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by redactsure 300 days ago
What did you try to do? If you had the full key it should be relatively simple. Maybe I should post some instructions on claiming the key?
1 comments
howdoibtc 300 days ago
Launch Electrum, create a new wallet, "Import Bitcoin addresses or private keys", paste in the recovered key.

If you just paste the raw key, Electrum uses a legacy format, and none of the transactions show up for that private key. Adding the "p2wpkh:" prefix to the key makes the transactions show up, but I realized that well after someone else claimed it.

I don't know if this is an Electrum thing, if this is considered general knowledge now for those who regularly use BTC, or if it's a quirk of how BTC has evolved.

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redactsure 300 days ago
that was brutal! I knew you were holding out something. Oh man this is a brutal bug as well. That's an OS popup! That's gonna take me some time.

Actually even worse it's neither an OS level or dom level item custom chrome rendering layer.

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howdoibtc 300 days ago
That explains why the validator error looked entirely different when I tried to reproduce it locally -- I was wondering about that.

And yeah, it's a CTF, gotta hold onto issues until the flag redemption is back up.

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redactsure 300 days ago
bet you couldn't do it again. It's back up. Patch is a bit hacky but should work plus I blocked the signup page.

Real patch is a chromium update (like a week of work) so imma avoid that until needed.

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redactsure 300 days ago
back up if you want another chance
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howdoibtc 300 days ago
Got it :)

Pasted the private key into the email address field on the Wufoo signup page, and the validator helpfully told me my "email" was invalid, with the whole key included.

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