Well, Ethereum. Cardano is doing the contending. ZCash’s parent company, Electric Coin Co., has also been the source of a lot of innovation. For example, the L

Well, Ethereum. Cardano is doing the contending. ZCash’s parent company, Electric Coin Co., has also been the source of a lot of innovation. For example, the L2 “Optimism” scaling solution that looks very promising for Ethereum uses zk rollups which is the direct result of zksnarks research deployed in ZCash.