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What is Zcash?
Zcash (ZEC) is a cryptocurrency launched in 2016 that prioritizes privacy through zero-knowledge proofs (zk-SNARKs). It enables fully encrypted transactions in which neither the sender, nor the recipient, nor the amount are publicly visible. It is the leading privacy project by market cap after Monero, with a more technical-academic focus.
How it works
Zcash operates on a Proof of Work blockchain initially derived from Bitcoin's code, with a fixed maximum supply of 21 million units and a halving every four years, exactly like BTC. The key innovation is shielded transactions through zk-SNARKs (Zero-Knowledge Succinct Non-interactive Argument of Knowledge): cryptographic proofs that allow the validity of a transaction to be verified without revealing its details (sender, recipient, amount). Transactions can be transparent (like Bitcoin, publicly visible) or shielded (fully encrypted), at the user's choice.
Use cases
Zcash is used primarily for transactions with privacy: protection against surveillance by authoritarian governments, commercial protection against competitors who can see on-chain flows, and a tool for journalists, dissidents and humanitarian workers in hostile regimes. Adoption is lower than Monero in these cases because of the relative technical complexity, but the cryptography is considered mathematically more rigorous by the technical community. Some institutional exchanges accept Zcash only in its transparent mode.
Regulatory tensions
Privacy cryptocurrencies face growing regulatory pressure. The European Union under MiCA effectively prohibits the listing of privacy coins on regulated exchanges. Several major exchanges (Coinbase Europe, Binance in certain countries) have delisted ZEC, XMR and other privacy coins. The asset's trajectory depends in part on whether regulators accept the technical distinction between transparent and shielded transactions or apply a blanket prohibition. Zcash maintains partial KYC compliance in the shielded pools of some institutional custodians.
Frequently asked questions
What is Zcash?
Zcash (ZEC) is a cryptocurrency launched in 2016 that prioritizes privacy through zero-knowledge proofs (zk-SNARKs). It operates on Proof of Work with a fixed maximum supply of 21 million units and a four-year halving, just like Bitcoin. It enables fully encrypted transactions in which neither sender, nor recipient, nor amount are publicly visible.
What is the difference between Zcash and Monero?
Both are privacy cryptocurrencies but with different architectures. Monero (XMR) has mandatory privacy by default: all transactions are encrypted through ring signatures and stealth addresses. Zcash (ZEC) offers a choice: the user can operate with transparent transactions (public like Bitcoin) or shielded (encrypted with zk-SNARKs). Zcash has a fixed maximum supply (21M); Monero does not.
Is Zcash legal in the European Union?
Zcash remains legal to hold in the European Union, but the MiCA regulation has prompted the delisting of privacy coins on many regulated exchanges (including some countries where Binance, Coinbase and Kraken operate). The trajectory depends on the regulatory interpretation of whether Zcash's transparent/shielded optionality is sufficient to distinguish it from pure privacy coins such as Monero.
What are zk-SNARK proofs?
zk-SNARK (Zero-Knowledge Succinct Non-interactive Argument of Knowledge) is a cryptographic technique that allows one party to prove that it knows a piece of data without revealing it. Applied to crypto transactions, it allows verification that a transaction is valid (sufficient balance, correct signature, no double spend) without revealing sender, recipient or amount. It is the technical basis of Zcash's privacy and of many scaling solutions on Ethereum (zkRollups).
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