theymos, did Satoshi tell you, why he chose secp256k1 and not secp256r1? Obviously, he told Laszlo Hanyecz '‘I had a bunch of people look at it and they told me this was good.' Did you know this?
https://medium.com/@cryptosgifts/satoshi-nakamoto-had-outside-cryptography-help-says-early-bitcoin-dev-d9c90728de5