Cryptography & Privacy

Are Privacy Coins Legal? The Short Answer in 2026 Privacy coins are cryptocurrencies designed to hide some or all transaction details, such as sender, receiver, and amount, from public view. Privacy coins are generally not automatically illegal to own or use, but the question are privacy coins...

Buy privacy coins: exchanges, Monero and safe methods in 2026 What you’ll accomplish in this guide This guide shows you how to buy privacy coins in 2026, where to buy Monero, how to compare exchanges with peer-to-peer routes and atomic swaps, and how to move your coins into self-custody. You can...

Crypto Mixer Explained: How Bitcoin Tumblers Work in 2026 What Is a Crypto Mixer? A crypto mixer is a service or protocol that tries to break the public link between coins sent from one wallet and coins received later; a bitcoin tumbler is the older Bitcoin-specific name for the same idea, where...

Crypto Mixer Legal Status in 2026: The Short Answer A crypto mixer is not automatically illegal, but crypto mixer legal status depends on sanctions exposure, AML rules, custody, fees, intent, and jurisdiction. In 2026, users face the highest risk when funds touch sanctioned addresses, criminal...

FHE Blockchain Guide: How Encrypted Smart Contracts Work What Is FHE Blockchain? An FHE blockchain is a blockchain that uses fully homomorphic encryption so smart contracts can process encrypted data without reading the raw values. In plain English, it lets encrypted smart contracts update...

MPC wallet guide: how threshold signatures protect crypto What is an MPC wallet? An MPC wallet is a crypto wallet that uses multi-party computation to split signing authority into key shares, then creates threshold signatures only when enough shares approve, so no single private key exists in...

Ethereum Privacy: Anonymous Transactions Solutions in 2026 What Is Ethereum Privacy? Ethereum privacy is the practice of keeping your wallet identity, token balances, transaction history, and app activity from being easily connected to your legal name, employer, home address, or habits while...

Privacy pools: Vitalik's compliant crypto privacy guide What are privacy pools? Privacy pools are crypto transaction systems that use zero-knowledge proofs, hide transaction links between deposit and withdrawal wallets, and let users prove funds are not tied to known illicit activity without...

Crypto privacy vs regulation: 2026 compliance tensions guide In a nutshell: crypto privacy vs regulation in 2026 Crypto privacy vs regulation is the tension between a user's ability to transact without unnecessary exposure and a regulator's duty to keep financial flows traceable for...

Monero traceable? government chain analysis of XMR in 2026 key finding: is Monero traceable by governments in 2026? Monero is not traceable in the same way as Bitcoin. To trace Monero, investigators usually need off-chain evidence such as exchange records, seized devices, network metadata,...

What Is Blockchain Surveillance? Blockchain surveillance is the practice of analyzing public blockchain records to follow crypto transactions, connect wallet activity to services or people, and support crypto tracking for compliance, fraud response and investigations. On-chain analysis narrows...

Key finding: is crypto safe from quantum computing in 2026? Quantum computing crypto risk is real, but no major blockchain is broadly breakable in 2026. The bigger issue is uneven exposure: reused addresses, revealed public keys, bridges, custodians, and slow post-quantum migration create...