How Can Peggy Prove To Victor That She Has Enough Cryptocurrency To Pay Him, Without Revealing Her Transactions?
Published in
2 min readJul 19, 2020
So how can Peggy prove to Victor that she has enough cryptocurrency to pay him, without revealing all her previous transactions? Well, we can use a range proof for that, and where we can sum up all Peggy’s incomings and outgoings, and then substract the amount he needs to pay Victor. If the value is…
