Crypto Custody Guide

Self-custody starts with your seed phrase

Before comparing wallets or custodians, learn how a seed phrase controls your coins and what makes it recoverable or lost.

Read seed phrase security guides Browse all custody topics

A seed phrase stamped onto metal plates laid on a wooden desk beside a hardware wallet and a notebook, lit by window light

Where Your Keys Actually Live

Five custody setups, and what each one asks you to protect.

A hardware wallet on a wooden desk beside a handwritten seed phrase card, a metal backup plate and a pen, lit by window light

Self-custody and seed phrases

The keys sit on hardware you hold, and the seed phrase is the only backup. You control access, and you carry the whole burden of loss, theft and forgetting. Read how seed storage, passphrases and recovery drills fit together.

Seed phrase security

A phone and a hardware wallet side by side on a dark surface, cables coiled nearby, showing two very different devices for holding keys

Wallet types and key management

Hot, hardware and multisig wallets differ in where the private key is generated and who can move funds. The choice sets your exposure to malware, phishing and single-point failure before any transaction happens.

Compare wallet types

A secure data hall with rows of locked server cabinets and a badge-controlled door at the far end

Institutional custody

Qualified custodians hold keys in segregated, audited arrangements under a legal agreement. You trade direct control for contractual and regulatory recourse, and you depend on the custodian's solvency and operations.

A printed checklist and a sealed envelope on a table beside a notebook, arranged as a personal recovery plan

Threat models and recovery

A plan is only as good as the failure it assumes: a lost device, a coerced signer, a dead exchange or an heir who cannot find anything. Map those scenarios to storage, backups and access before you need them.

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Hardware Wallets and Cold Storage

Best Cold Wallet: How to Choose by Security Model

Compare cold wallets by security model, not feature lists: how keys are isolated, what you must trust, and what fails. Selection criteria inside.

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Self-Custody and Seed Phrase Security

Self-Custody vs Custodial Wallets: A Guide for Businesses

Self-custody vs custodial crypto wallets for businesses: compare control, key recovery, separation of duties and operational risk before you choose.

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Wallet Types and Key Management

Hot Wallet vs Cold Wallet: Which One Should You Use?

Hot vs cold crypto wallets: the key never touching the internet decides security. How to split spending money from savings, and why you need both.

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Self-Custody and Seed Phrase Security

What Is a Seed Phrase and How to Keep It Safe

A seed phrase is the 12–24 word backup that controls your entire crypto wallet. How it rebuilds your keys, and how to store it safely.

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Hardware Wallets and Cold Storage

Cold Wallet Explained: What It Is and How It Works

A cold wallet keeps your crypto private keys offline so hackers can't steal them. Here's what it is and how it works, step by step.

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Threat Models, Recovery and Operational Security

Threat Models, Recovery and Operational Security for Crypto Holders

Here's the uncomfortable truth about most crypto losses: nobody had to be a genius to pull them off. A convincing phishing page. A seed phrase on a sticky note...

Daniel R. Whitfield

10/29/2026