Crypto Wallets Explained: Hot Wallets vs Cold Wallets
A crypto wallet does not literally store coins. It stores or manages keys that let a user authorize transactions on a blockchain network.
Crypto Wallets
Albert Torras
Learning collection
Wallets, Security, and Storage Hub
Practical education on self-custody, hot wallets, cold wallets, seed phrases, scams, and safer storage habits.
Prefer a guided sequence? Follow the Wallet Security and Crypto Storage.
21 guides in this collection
How to Keep Your Crypto Safer: Basic Security Rules
Crypto security is less about secret tricks and more about reducing avoidable mistakes. Strong habits around keys, devices, links, and approvals can prevent many common losses.
Crypto Security
Albert Torras
Common Crypto Scams and How to Avoid Them
Crypto scams often rely on familiar tactics: urgency, impersonation, secrecy, and unrealistic claims. Learning the patterns helps readers slow down before damage happens.
Crypto Security
Albert Torras
Custodial vs Non-Custodial Wallets
Custodial wallets rely on a service provider to manage keys. Non-custodial wallets put key control and backup responsibility in the user's hands.
Crypto Wallets
Albert Torras
Private Keys and Seed Phrases Explained
Private keys and seed phrases are central to non-custodial crypto wallets. They are powerful recovery tools and dangerous secrets if exposed.
Crypto Wallets
Albert Torras
How to Store Crypto Safely: A Beginner Security Guide
Safe crypto storage is about matching custody choices to risk, protecting seed phrases, avoiding fake wallet prompts, and understanding what can and cannot be recovered.
Crypto Storage
Albert Torras
Crypto Wallet Addresses Explained
A wallet address is a public destination for crypto transactions. It is not the same as a private key, and it must be used with the correct network.
Crypto Wallets
Albert Torras
Seed Phrase Backup Guide for Beginners
A seed phrase backup can restore wallet access, but anyone who gets it may be able to steal the assets. Storage habits matter as much as the words themselves.
Crypto Storage
Albert Torras
Hardware Wallets Explained
Hardware wallets keep signing keys away from ordinary internet-connected devices, but they do not remove the need to review transactions and protect backups.
Crypto Storage
Albert Torras
Mobile Crypto Wallet Safety Guide
Mobile wallets are convenient but expose users to app-store confusion, device risk, phishing links, malicious approvals, and backup mistakes.
Crypto Wallets
Albert Torras
Token Approvals and Wallet Permissions Explained
Token approvals give smart contracts permission to move certain tokens. They are common in DeFi but can become dangerous when users approve malicious or overly broad permissions.
Crypto Security
Albert Torras
Crypto Phishing Attacks: How They Work
Crypto phishing attacks trick users into revealing seed phrases, signing harmful transactions, approving malicious contracts, or visiting fake websites.
Crypto Scams
Albert Torras
Fake Crypto Apps: How to Spot the Risk
Fake crypto apps imitate legitimate wallets, exchanges, portfolio trackers, or earning tools to steal seed phrases, credentials, or funds.
Crypto Scams
Albert Torras
Crypto Exchange Account Security Guide
Exchange account security combines password hygiene, two-factor authentication, withdrawal controls, phishing resistance, and a clear understanding of custody.
Crypto Security
Albert Torras
Two-Factor Authentication for Crypto Accounts
Two-factor authentication adds a second login check for exchange and service accounts, but not all 2FA methods offer the same protection.
Crypto Security
Albert Torras
Common Self-Custody Mistakes in Crypto
Self-custody gives users direct control over keys, but that control comes with operational responsibilities that beginners often underestimate.
Crypto Storage
Albert Torras
Crypto Airdrops and Their Risks
Crypto airdrops distribute tokens or claim opportunities, but fake airdrops are also common phishing and wallet-draining tactics.
Crypto Scams
Albert Torras
Crypto Recovery Scams Explained
Crypto recovery scams target people who have already lost money by promising guaranteed recovery, special access, or insider tracing services.
Crypto Scams
Albert Torras
What Is a Multisig Wallet?
A multisig wallet requires multiple approvals before certain transactions can execute. It can reduce single-key risk but adds setup and coordination complexity.
Crypto Storage
Albert Torras
Hot Wallet Security Checklist
Hot wallets are convenient because they connect to internet-enabled devices, but that convenience requires careful app, backup, and transaction habits.
Crypto Wallets
Albert Torras
Cold Wallet Storage Mistakes to Avoid
Cold storage can reduce online exposure, but bad backups, poor setup, and misunderstood signing can still create serious losses.
Crypto Storage
Albert Torras