Replying to Avatar YODL

Will take your word for it as that’s deep in the weeds for me. I realize now I don’t know the chronology of a lot of the pieces. CTs were invented in 2014, or was that just the optimization by Blockstream and they date back further? I could look this stuff up, but if you happen to know please share. Ring sigs, range proofs, (anything I’m missing?) created quite a bit earlier?
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Hanshan 10mo ago

pretty sure the idea of RingCT predates Bitcoin

i think it was Nick Szabo...?

ring signatures too, i think the idea is from before bitcoin.

range proofs,

which are the foundational maths,

are ancient.

mostly developed in the cryptography boom of the 80s and 90s I think.

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YODL 10mo ago

Sounds right. I might have to dig a little just to satisfy curiosity on all these things

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Hanshan 10mo ago

nice basic explanation here

https://unblock.net/ringct-vs-zk-snark/

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YODL 10mo ago

Looks worth reading. 📝