How to keep crypto safe and how to prepare your family. No jargon, no investment advice.https://shellcrew.com/en/https://shellcrew.com/en/guides/common-crypto-security-mistakes/https://shellcrew.com/en/guides/common-crypto-security-mistakes/12 mistakes that end in lost crypto: a single seed backup, a photo in the cloud, a passphrase only you know. Each comes with a check you can do yourself.Mon, 19 Oct 2026 00:00:00 GMThttps://shellcrew.com/en/guides/crypto-in-your-will/https://shellcrew.com/en/guides/crypto-in-your-will/How to leave crypto in a will under Polish law: handwritten or notarial form, vindication legacy, notary deposit, and why the seed never goes in the will.Mon, 19 Oct 2026 00:00:00 GMThttps://shellcrew.com/en/guides/crypto-inheritance-tax-poland-sd-z2/https://shellcrew.com/en/guides/crypto-inheritance-tax-poland-sd-z2/Close family pays no inheritance tax in Poland but must report on form SD-Z2 within 6 months. When the clock starts, and what about selling the crypto later.Mon, 19 Oct 2026 00:00:00 GMThttps://shellcrew.com/en/guides/exchange-account-after-death/https://shellcrew.com/en/guides/exchange-account-after-death/How heirs report an exchange account holder's death to Binance, Kraken, Coinbase or Bybit, which documents each names, and what Zonda hasn't published.Mon, 19 Oct 2026 00:00:00 GMThttps://shellcrew.com/en/guides/family-access-instructions/https://shellcrew.com/en/guides/family-access-instructions/What to put in your crypto access instructions for your family, what to leave out (seed, amounts), where to keep them and how to test that your family can cope.Mon, 19 Oct 2026 00:00:00 GMThttps://shellcrew.com/en/guides/how-to-store-seed-phrase/https://shellcrew.com/en/guides/how-to-store-seed-phrase/How to store a seed phrase: 12 or 24 words, paper or steel, two copies in two places, what not to do and how to check that your backup works.Mon, 19 Oct 2026 00:00:00 GMThttps://shellcrew.com/en/guides/incapacity-and-crypto/https://shellcrew.com/en/guides/incapacity-and-crypto/A power of attorney won't open a wallet, because the network doesn't know attorneys. What a POA and guardianship give, and how to describe access for illness.Mon, 19 Oct 2026 00:00:00 GMThttps://shellcrew.com/en/guides/inherited-crypto-what-next/https://shellcrew.com/en/guides/inherited-crypto-what-next/Found a Trezor, a paper with 24 words or a wallet app after a relative died? What not to do, the order of steps and how to check the balance safely.Mon, 19 Oct 2026 00:00:00 GMThttps://shellcrew.com/en/guides/multisig-2-of-3-who-is-it-for/https://shellcrew.com/en/guides/multisig-2-of-3-who-is-it-for/A 2-of-3 multisig wallet for bitcoin: how it works, when it pays off, what it costs and why two seeds alone aren't enough without a wallet configuration backup.Mon, 19 Oct 2026 00:00:00 GMThttps://shellcrew.com/en/guides/passphrase-25th-word/https://shellcrew.com/en/guides/passphrase-25th-word/A passphrase adds an extra password to your recovery phrase and creates a hidden wallet. Forget it and the funds are gone. How to explain it to family.Mon, 19 Oct 2026 00:00:00 GMThttps://shellcrew.com/en/guides/shamir-slip39-seed-backup/https://shellcrew.com/en/guides/shamir-slip39-seed-backup/SLIP-39 splits your recovery phrase into shares, and only some are needed to recover. Why cutting 24 words by hand fails and how Shamir differs from multisig.Mon, 19 Oct 2026 00:00:00 GMThttps://shellcrew.com/en/guides/what-happens-to-your-bitcoin-when-you-die/https://shellcrew.com/en/guides/what-happens-to-your-bitcoin-when-you-die/Crypto passes into the estate like any other asset, but without keys and instructions your family can't touch it. What to do today so they cope without you.Fri, 16 Oct 2026 00:00:00 GMT