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so todayamp;#39;s talk is going to be some sort of tutorial on what kind of signature schemes we have encountered on the blockchain space and by no means this is not going to be exhaustive iamp;#39;m not going to cover every single every single thing that we have seen in terms of digital signatures but um iamp;#39;ll try to give like a pretty fair overview so let me start and say why do we um care about digital signatures and what are digital signatures so iamp;#39;m going to use um the cryptographic definition of a digital signature scheme so if you ever took a cryptography class you have seen this definition so typically we define a digital signature as a protocol that consists of three algorithms there is a key generator algorithm that takes as input some security parameters and outputs a pair of a secret key in the public key there is a sign in calgary that takes as input a message and the secret key and outputs a signal tool and then there is a verification algorithm that take
