What is Zcash (ZEC)? How shielded transactions work

Zcash (ZEC) is a privacy coin and blockchain launched in 2016. It allows users to make both public and private transactions. The latter — called “shielded transactions” on the network — make use of zero-knowledge proofs called zk-SNARKs to verify payments without revealing the sender, recipient or amount. Zcash has emerged as one of the

来源：The Block

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