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Crypto Advance
We advance bitcoin, digital identities and decentralized applications.
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Hardware wallets can be hacked, but this is fine
Hardware wallets can be hacked, but this is fine
Here I describe how to live with it. In particular, how the attacker can encode our secrets in bitcoin signatures and how to fix it.
Stepan
Jan 5, 2019
ECDSA is not that bad: two-party signing without Schnorr or BLS
ECDSA is not that bad: two-party signing without Schnorr or BLS
2-of-2 multisig and lightning channels as simple transactions, scriptless script and much more without any changes in Bitcoin…
Stepan
Oct 13, 2018
BLS signatures: better than Schnorr
BLS signatures: better than Schnorr
In the previous post I wrote about Schnorr signatures and how awesome they are. This one is about Boneh-Lynn-Shacham signatures and their…
Stepan
Jun 24, 2018
How Schnorr signatures may improve Bitcoin
How Schnorr signatures may improve Bitcoin
When I was reading the MuSig paper from Blockstream I was trying to imagine what would it mean for me as a bitcoin user. Some features of…
Stepan
Jun 12, 2018
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