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Cripto, explicado.
Golpes, expostos.
Guias em linguagem simples para proteger seu dinheiro: como pesquisar um projeto, identificar um golpe, guardar moedas com segurança e entender cada criptomoeda importante.
30 artigos para “wallet security” · limpar
MPC Wallets Explained
What an MPC wallet is, how multi-party computation splits a private key into shares, how it compares with seed phrases and multisig, and the risks to check.
4 de out. de 2026 · 5 min de leitura
How to Revoke Token Approvals on Ethereum and Other EVM Chains
Learn how to revoke approvals on Ethereum and other EVM chains step by step, which approvals are risky, what revoking costs and what it cannot undo.
3 de out. de 2026 · 4 min de leitura
Wallet Drainers: How Malicious Approvals Steal Your Crypto
A wallet drainer tricks you into signing approvals that let attackers empty your wallet. Learn how drainers work, the warning signs and how to protect yourself.
3 de out. de 2026 · 5 min de leitura
Smart Contract Wallets Explained: Features, Benefits and Risks
What is a smart contract wallet? Learn how it differs from a seed-phrase wallet, what features like recovery and batching offer, and the risks to check first.
3 de out. de 2026 · 4 min de leitura
Software Wallets Explained: Mobile, Desktop and Browser
A software wallet stores your crypto keys in an app. Compare mobile, desktop and browser wallets, learn their risks and follow a checklist to use one safely.
3 de out. de 2026 · 5 min de leitura
Address Poisoning Attacks: The Copy-Paste Trap Draining Wallets
Address poisoning tricks you into copying a look-alike wallet address from your own history. Learn how the scam works and the habits that stop it cold.
3 de out. de 2026 · 4 min de leitura
Hardware Wallets Explained
A hardware wallet keeps your private keys offline on a dedicated device. Learn how it works, what it protects against, its limits and how to buy one safely.
3 de out. de 2026 · 5 min de leitura
How to Back Up a Seed Phrase the Right Way
A seed phrase backup is the only way to recover a self-custody wallet. Learn how to write, store and test your backup safely, and the mistakes to avoid.
3 de out. de 2026 · 5 min de leitura
How NFT Marketplaces Work
How does an NFT marketplace work? Learn how listings, bids, signatures, fees and royalties work, how to spot fake collections and how to trade NFTs more safely.
3 de out. de 2026 · 5 min de leitura
Custodial vs Non-Custodial Wallets
Custodial vs non custodial wallets explained: who controls the keys, the risks of each, a comparison table and how to choose the right setup for your crypto.
3 de out. de 2026 · 5 min de leitura
How to Set Up a Hardware Wallet Step by Step
A step-by-step hardware wallet setup guide: buy safely, verify the device, record your seed phrase offline and send a test transaction before moving funds.
3 de out. de 2026 · 5 min de leitura
Hot Wallets vs Cold Wallets
Hot vs cold wallet explained: how each one stores your keys, the security trade-offs, and a simple way to split funds between them for daily use and savings.
3 de out. de 2026 · 5 min de leitura