Crypto custody, exchange risk, wallet recovery, practical security https://wechibi.com/en/ 2026-05-22T00:00:00Z Frost Kim privacy@wechibi.com © 2026 Frost Kim · Hodler's Handbook wechibi.com static feed https://wechibi.com/en/articles/private-key-mnemonic.html 2026-05-22T00:00:00Z

Private keys vs. BIP-39 seed phrases — how the two relate, why one is the file and the other is the recovery instruction, and what that means for backup.

Frost Kim https://wechibi.com/en/articles/wallet-complete-guide.html 2026-05-22T00:00:00Z

The five-rung custody ladder: from exchange custody to air-gapped multisig. Working allocation by holding value, calibrated for US holders in 2026.

Frost Kim https://wechibi.com/en/articles/exchange-evaluation-handbook.html 2026-05-22T00:00:00Z

Four questions before depositing anywhere: regulator, proof of reserves, insolvency protections, withdrawal speed under stress. With FTX-era examples.

Frost Kim https://wechibi.com/en/articles/phishing-scam-atlas-2026.html 2026-05-22T00:00:00Z

An updated taxonomy of 2026 crypto phishing — Permit2 batches, fake recovery services, deepfake giveaways, supply-chain hardware traps. With recovery steps.

Frost Kim https://wechibi.com/en/articles/hardware-wallet-comparison.html 2026-05-22T00:00:00Z

The five hardware wallets worth considering in 2026 — Ledger Nano S Plus, Trezor Safe 3, Keystone 3 Pro, Coldcard Mk4, Ledger Stax. Picked by user profile.

Frost Kim https://wechibi.com/en/articles/cold-vs-hot-wallet.html 2026-05-22T00:00:00Z

What

Frost Kim https://wechibi.com/en/articles/mnemonic-storage-five-methods.html 2026-05-22T00:00:00Z

Five places to actually store a seed phrase, ranked by survivability — metal plates, paper in two locations, Shamir splits, multisig, encrypted digital.

Frost Kim https://wechibi.com/en/articles/metamask-security.html 2026-05-22T00:00:00Z

Seven MetaMask settings worth changing on day one — hardware pairing, Blockaid alerts, auto-lock, dedicated profile rule. And the monthly approval audit.

Frost Kim https://wechibi.com/en/articles/2fa-truth-passkey.html 2026-05-22T00:00:00Z

The hierarchy of 2FA in 2026: SMS, email, TOTP, push, hardware key. Ranked by defensive strength, with the carrier-level port-out PIN that closes the SIM-swap gap.

Frost Kim https://wechibi.com/en/articles/passkey-90-seconds.html 2026-05-22T00:00:00Z

A 90-second explanation of passkeys: how they replace passwords, why they defeat phishing, where they work in 2026, and what they don't protect against.

Frost Kim https://wechibi.com/en/articles/photo-mnemonic.html 2026-05-22T00:00:00Z

Why a photo of your seed phrase is the worst storage method ever invented — and where to store it instead. Five failure modes observed in the wild.

Frost Kim https://wechibi.com/en/articles/private-key-leak-recovery.html 2026-05-22T00:00:00Z

The 30-minute recovery protocol if your private key or seed has been compromised — what to move first, what to skip, and what filing IC3 actually does.

Frost Kim https://wechibi.com/en/articles/hardware-wallet-eol.html 2026-05-22T00:00:00Z

When a hardware wallet stops being safe — not when the manufacturer says so, but when firmware updates stop. A four-question test and migration playbook.

Frost Kim https://wechibi.com/en/articles/usdt-wrong-chain.html 2026-05-22T00:00:00Z

The most common $5,000 mistake in crypto: sending USDT on the wrong chain. How the same address works on multiple networks, and the three checks before every withdrawal.

Frost Kim https://wechibi.com/en/hardware-wallet-matrix.html 2026-05-22T00:00:00Z

Eight hardware wallets, nine dimensions. The decision matrix that turns the wallet purchase from marketing copy into a spec sheet — with recommendations by user profile.

Frost Kim https://wechibi.com/en/checklist.html 2026-05-22T00:00:00Z

Check off 30 questions and see where your crypto custody actually stands. Six dimensions: keys, wallet architecture, exchanges, anti-phishing, incident response, legacy. Five minutes, instant score.

Frost Kim https://wechibi.com/en/timeline.html 2026-05-22T00:00:00Z

Crypto custody timeline 2009-2026: key events, exchange collapses, regulatory milestones, and what each one means for the US holder today.

Frost Kim