StepaninCrypto AdvanceHardware wallets can be hacked, but this is fineHere I describe how to live with it. In particular, how the attacker can encode our secrets in bitcoin signatures and how to fix it.10 min read·Jan 5, 2019--6--6
StepaninCrypto AdvanceECDSA is not that bad: two-party signing without Schnorr or BLS2-of-2 multisig and lightning channels as simple transactions, scriptless script and much more without any changes in Bitcoin…6 min read·Oct 13, 2018--9--9
StepaninCrypto AdvanceBLS signatures: better than SchnorrIn the previous post I wrote about Schnorr signatures and how awesome they are. This one is about Boneh-Lynn-Shacham signatures and their…11 min read·Jun 25, 2018--24--24
StepaninCrypto AdvanceHow Schnorr signatures may improve BitcoinWhen 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…9 min read·Jun 13, 2018--7--7