Privacy coins remain one of the most closely watched segments of the crypto market. Unlike Bitcoin, which is often described as only semi-anonymous, privacy-focused cryptocurrencies are designed to make it harder to trace senders, recipients, and sometimes even transaction amounts. With more than 50 privacy coins available, however, comparing their technology and real-world use can quickly become confusing.
Why privacy coins emerged
Bitcoin does not publish real names on-chain, but every transaction is permanently visible on a public ledger. Once an address is linked to an exchange account, a bank account, or another real-world identity, transaction history can become easier to follow. Privacy coins attempt to reduce that exposure. Most still use a public blockchain structure, but add cryptographic methods that obscure the path or details of a transfer.
The three major privacy approaches
The article highlights RingCT, CoinJoin, and zk-SNARKs as the three most common privacy techniques. Monero relies on RingCT, using ring signatures to blend a transaction with other outputs while also hiding the amount sent and pairing the payment with stealth addresses. CoinJoin takes a “safety in numbers” approach by combining matching payments to make input-output tracing far more difficult; Dash’s PrivateSend is based on this model. zk-SNARKs, meanwhile, allow a network to verify that a transaction is valid without revealing who sent funds, who received them, or how much moved, making Zcash the best-known example of this design.
Monero and Zcash lead the category
Zcash, which grew out of the Zerocoin protocol, mirrors Bitcoin in having a fixed supply of 21 million coins while offering optional privacy features on top of a public blockchain. It can conceal the sender, recipient, and amount transferred. Still, the source notes that researchers have published evidence suggesting some Zcash transactions may be de-anonymized, and that only a relatively small share of users actually enable its privacy functions in practice.
Monero, by contrast, is presented as the stronger reputation play in privacy technology. The article notes that Monero gained traction across several dark web marketplaces and saw increased usage after the shutdown of Alphabay, partly because authorities were reportedly unable to determine how much XMR its alleged operator held. As more cases emerged in which Bitcoin transactions were linked back to real identities, Monero became more firmly associated with anonymous online payments.
Forks and secondary contenders
The Zcash ecosystem also produced a number of forks. Zclassic split from Zcash amid concerns about an excessive pre-mine. According to the article, enthusiasm tied to the planned launch of Bitcoin Private pushed Zclassic’s market price to above $100 at the time. Another project, Zencash, forked from Zclassic and added features such as encrypted messaging and a network of nearly 5,000 secure nodes, while also emphasizing community-oriented governance.
Beyond those names, the article points to several other privacy-focused or privacy-enabled assets. These include Dash, which is larger by market cap but does not position privacy as its only feature; Zcoin, which allows users to “mint” coins into a private form; Pivx, which uses a decentralized mixing approach supported by masternodes; and Verge, built for privacy-friendly networks like Tor and I2P while emphasizing fast and low-cost transfers.
Privacy is not the same as invisibility
The piece closes with an important caveat: buying or using a privacy coin does not guarantee perfect anonymity. Browser fingerprinting, IP logging, and other forms of surveillance can still undermine on-chain privacy protections. Even so, privacy coins offer a stronger level of transactional confidentiality than standard transparent blockchains. For users trying to understand the trade-off between transparency and financial privacy in crypto, Monero, Zcash, and their rivals remain central case studies.