CertiK has noted that privacy coins are cryptocurrencies engineered to significantly improve user anonymity by effectively obscuring transaction data (such as sender identities, transaction amounts, transaction history, etc.). CertiK explained that, unlike pseudonymous virtual currencies such as Bitcoin (BTC), privacy coins tend to employ more advanced privacy-enhancing cryptographic methods in order to try to “mimic the un-traceability of physical cash in the Web3 ecosystem.”
As mentioned in a blog post by CertiK, there are many privacy coins, but the most well-known are Monero (XMR), Zcash (ZEC), and Dash (DASH) in the decentralized crypto-assets ecosystem.
CertiK pointed out that Monero offers a so-called “default level of privacy through cryptographic techniques like one-time addresses, making it the most anonymous by default.”
Meanwhile, the blog post stated that Zcash provides “optional privacy shielded transactions via zk-SNARKs, allowing users to choose between transparency and privacy features.”
And Dash features optional PrivateSend.
It’s worthwhile to note that Dash developers have tried to promote the cryptocurrency as more of a general-purpose digital asset rather than a privacy coin. That’s because these coins were heavily scrutinized and still are to a great extent by regulatory authorities. Despite the scrutiny, privacy coins have surged dramatically this year due to a change in narrative which most likely will be short-lived in terms of price action and overall adoption.
The update from CertiK stated that privacy coins are designed to “employ multiple-layered cryptography techniques for comprehensive obfuscation in blockchain technology.”
Ring signatures, introduced in CryptoNote and used in Monero, allow a signer to “anonymize their input among a set of decoy public keys on the blockchain, proving ownership without revealing the true spender.”
Therefore, as a result, the probability of “identification drops significantly.”
CertiK further noted that one-time addresses, “although known as Stealth addresses, create a unique, one-time destination for each payment.”
The sender generates it “from the receiver’s public key, and only the receiver can access it using a private shared secret, breaking any links to the main wallet.”
Ring Confidential Transactions (RingCT) conceal amounts with “blinding” math: commitments “hide values while proofs ensure inputs match outputs exactly, without revealing numbers.”
Digital currencies like Zcash use “zero-knowledge proofs (zk-SNARKs) for shielded transactions, allowing real-time verification of correctness while keeping all details private.”
It’s like proving that a puzzle is solved “without showing the solution.”
Privacy coins offer several legitimate benefits for crypto users.
They protect sensitive financial data “for individuals, businesses, and non-profits operating in high-risk regions.”
They can prevent tracking of “salary payments, donations, or commercial transactions, giving users financial freedom and more control over their privacy.”
They are also a hedge against surveillance in digital economies where cryptocurrency transactions are “often monitored or analyzed at scale beyond illicit activities concerns.”
The anonymity features of privacy coins have “drawn scrutiny from regulators and law enforcement due to potential misuse in money laundering, tax evasion, ransomware payments, and other illegal activities.”
The Lazarus Group notably used Monero in order to “launder funds during the Bybit hack.”
Additionally, on April 28, 2025, $330 million in Bitcoin was “stolen from a U.S. investor and immediately swapped for XMR, causing a price spike.”
Some exchanges have delisted or restricted privacy coins, and certain jurisdictions like the EU or South Korea reportedly require “stricter reporting and compliance measures.”
For instance, Binance had announced the delisting of Monero on February 20, 2024, and Coinbase has never actually listed it for trading because of regulatory concerns around the future of privacy coins.
CertiK concluded that privacy coins are technically considered “neutral tools,” but their actually usage carries various regulatory and operational risks for users and platforms.
As we head into 2026, we are likely to see growing adoption of privacy coins but these tools will always be monitored by regulators and other industry participants. Moreover, it is entirely possible that larger cryptos like Bitcoin and Ethereum start incorporating some privacy features into their protocols.
