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A brushed steel seed-backup plate with a small red maple leaf sticker beside a hardware wallet, a letter punch and a hammer on a dark workbench under a work lamp.

CybersecurityGuideCrypto security in Canada →

Self-custody security for Canadians: how to hold your own digital assets without losing them

A registered platform must keep most client coins with a custodian, but no Canadian insurance covers crypto and Quadriga's clients still lost $169 million. Holding your own keys removes the platform risk and adds yours. Here is how to do it properly: the device, the backup, the move, and the habits after.

Quick take

  1. 01A registered Canadian platform must keep at least 80 percent of client coins with a third-party custodian, but neither CDIC nor CIPF covers crypto, and QuadrigaCX's clients still lost at least $169 million.
  2. 02Self-custody means a hardware wallet bought from the maker, a seed backup written once and stored offline, ideally in metal, and a passphrase you will never forget.
  3. 03After the move: verify full addresses, never type the seed anywhere, expect phishing that quotes leaked details, and move funds the moment a backup is exposed.

“Should I leave my crypto on the exchange, or take it off?” is the question that follows the first purchase, and the honest answer is that both choices carry a risk you should understand before you pick. On a registered Canadian platform, the risk is the platform. In your own wallet, the risk is you. This guide is about making the second risk small: which device to buy, how to back it up, how to move the coins, and the habits that keep them yours afterward.

Nothing here is investment advice, and nothing here sells a wallet. Every rule and number is sourced and dated.

What a registered platform actually does with your coins

Since the collapses of 2022, the Canadian Securities Administrators have required every registered crypto trading platform to keep client coins away from its own balance sheet. The CSA’s February 2023 staff notice sets the terms: a platform “will retain the services of third-party custodians to hold not less than 80% of the total value of Crypto Assets held on behalf of clients,” and must hold client assets “separate and apart from its own property” and “in trust for the benefit of the client.” The Ontario Securities Commission’s investor site puts it plainly: “a trading platform is not permitted to hold all its clients’ crypto assets in its own hot or cold wallets.”

That rule exists because of what happened before it. The OSC’s 2020 report on QuadrigaCX found that “over 76,000 clients were owed a combined $215 million in assets” when the platform failed in 2019, that the bankruptcy trustee recovered “just $46 million,” and that clients “collectively lost at least $169 million.” Quadriga had told customers it stored “99% coins in cold storage.” The OSC’s finding: “these claims were untrue and misleading.”

What happened at Quadriga was an old-fashioned fraud wrapped in modern technology. Ontario Securities Commission staff report on QuadrigaCX, 2020
80%Minimum share of client coins a registered platform must keep with a third-party custodianCSA Staff Notice 21-332, February 22, 2023
$169MWhat QuadrigaCX's clients lost, at leastOSC staff report, 2020
$0Crypto covered by CDIC deposit insurance or CIPF investor protectionCDIC and CIPF coverage pages, read September 6, 2026
12 or 24Words in a standard seed phrase, from a list of 2,048BIP39, 2013

What insurance does not cover

The two protections Canadians know from banking and investing do not reach crypto. CDIC insures eligible deposits “up to $100,000 per category” and lists cryptocurrencies among the things it does not cover. CIPF, which protects clients when a CIRO dealer fails, says eligible client property “includes securities and cash, but excludes crypto assets,” and the OSC’s investor site confirms the exclusion applies even to crypto held in an account with an investment dealer. Some platforms describe insurance held by their custodians; Wealthsimple, for example, says its custodial partners “have over $75M in insurance coverage each,” while noting its crypto accounts “are not protected by the Canadian Investor Protection Fund.” That is the custodian’s policy, with the custodian’s terms, not a guarantee to you.

What self-custody means

A coin never leaves its blockchain. What you hold is a key, and the key is generated from a seed phrase: 12 or 24 English words that the BIP39 standard draws from a list of 2,048. Anyone with those words can rebuild your wallet on any device and spend everything in it. A hardware wallet is a small device that creates the key and keeps it inside: as Trezor describes it, “your private keys are created inside the device, and they never leave it,” and “each transaction must be physically confirmed on the device.” Your phone or laptop composes the transaction; the device signs it; the words stay on paper or steel.

Self-custody, then, is four jobs: get a genuine device, protect the words, move the coins carefully, and stay unphishable.

Step one: buy the device right

Buy from the manufacturer or an authorized reseller, never second-hand or from a marketplace listing. The Canadian Anti-Fraud Centre’s wording is “purchase any hardware wallets directly from the manufacturer.” There is a Canadian option: Coldcard is made by Coinkite, a Toronto hardware company founded in 2012, and ships from its own site. Trezor lists Amazon Canada among its resellers, and Ledger sells direct.

When it arrives, check that it has not been opened. Coldcard’s setup guide asks you to inspect the tamper-evident bag and compare its number with one “recorded into the secure area of flash memory inside your Coldcard,” and warns that bags “can be ‘hacked’ with sharp knives, a heat press and so on,” which is why the serial check exists. Trezor’s software runs a device authentication check against a factory certificate at setup; its advice is “do not turn off this check.” When you update firmware, verify it: Coldcard publishes signatures and hashes and says not to “rely on a version number copied from an older guide, video, or social post.”

Step two: the backup is the wallet

The device will show the seed words once, at setup. Trezor’s rule is that it “will only show your wallet backup once,” so write the words down then, in order, on the card in the box. From there:

  • Never digital. Ledger’s guidance is that a seed phrase “must never be entered into any smartphone, computer, or other device that can connect to the internet.” No photos, no notes app, no password manager, no cloud.
  • Never spoken. Trezor: “do not read your wallet backup words out loud.”
  • Metal beats paper for anything you plan to keep for years. Paper backups risk “tearing, fading, or being destroyed by fire, water, or corrosion,” in Trezor’s words; both makers point to stamped steel or titanium plates, sold by them and by third parties Ledger names such as Cryptosteel and Billfodl.
  • Split with care. Trezor’s 20-word share backups let you spread pieces across places, but “if you lose too many shares and fall below the threshold, recovery is impossible.”
  • Test it. Before you move real money, wipe the device and restore it from your written words, then send a small amount in and back out.

A passphrase is the advanced option and the most common way people lose coins. It is an extra word or sentence, up to 100 characters on Ledger, that opens a completely separate wallet from the same seed. In Trezor’s words, passphrases “cannot be changed, removed, or recovered,” and every different entry opens “a different wallet, even if it’s a typo.” Ledger says the same: a forgotten passphrase means access “is permanently lost.” Use one only if you will store it as carefully as the seed, and separately from it.

Step three: moving the coins

Every registered platform lets you withdraw to a wallet you control, with its own rules. Shakepay publishes send minimums of 0.001 BTC and 0.05 ETH and holds transfers for 24 hours after you change your login details, a useful protection. Bitbuy prices withdrawals on network conditions and marks some assets “trade only,” meaning you cannot withdraw them at all. If you want to skip the custodial step entirely, Bull Bitcoin, registered with FINTRAC and operating since 2013, describes itself as “a non-custodial Bitcoin exchange” that “never hold[s] your Bitcoin”: purchases settle straight to your address.

Two habits for the move itself. Send a small test amount first and confirm it arrived. And read the whole receiving address on the device screen, not just the ends: address poisoning scams plant look-alike addresses in your history hoping you copy the wrong one, so “always double-check the full transaction address (not just the first and last few characters).”

One thing you do not have to worry about: tax. The CRA’s crypto guide says transfers between wallets that you own are not a taxable disposition. Selling, swapping or spending later is; the tax hub has the rules.

Step four: the habits that keep it yours

Once you hold your own keys, nobody can freeze your coins, and nobody can save them from you. The attacks that work are almost all social.

  • Nobody legitimate will ever ask for your words. Ledger: “We will never ask you for the 24 words.” Trezor: it “will never contact you about your wallet backup.” Any message, call or pop-up that asks is a scam, whatever logo it wears.
  • Expect phishing that knows your name. In 2020 Ledger’s e-commerce database was leaked: about one million email addresses, and for about 9,500 customers their name, postal address and phone number. In August and September 2026 Trezor disclosed that a shipping provider’s breach exposed names, addresses, phone numbers and order details for 13,689 recent customers and then “another approximately 67,000” from 2019 to 2021, while “our systems were not compromised.” Both companies’ advice was the same: the devices are safe; the emails, calls and even letters that follow are the danger.
  • Never pay a ransom, and take threats to the police. Ledger’s guidance after its leak was to “never pay any ransom” and, “if you fear for your physical safety,” to “contact your local authorities.”
  • Lock the accounts around the wallet. The Cyber Centre’s rules: a passphrase of “at least 4 words and 15 characters,” a different one for every account, and multi-factor authentication, with FIDO security keys “strongly recommended.” Its phishing guide lists the tells: urgency, a request for confidential information, an offer that sounds too good, and it says to verify “by contacting the sender through a separate channel.”

If something goes wrong

  • Device lost or stolen, backup safe. Restore on a new device, then move everything to a wallet with a fresh backup. Trezor’s advice is to “immediately move out your funds to a new secure wallet.”
  • Backup seen, or possibly seen. Trezor: “you should assume that is the case and move your funds elsewhere immediately.” Do not wait to find out.
  • Device and backup both gone. The coins cannot be recovered. That is the trade you made for holding them yourself, and it is why the backup step matters more than the device.
  • Money already sent to a scammer. Report it to the Canadian Anti-Fraud Centre, your police service and your provincial securities regulator, and ignore anyone who then offers to recover it for a fee.

The security hub keeps the regulators’ alerts, the breach coverage and these guides in one place.

Frequently asked

Is crypto insured in Canada?

No. CDIC insures eligible bank deposits up to $100,000 per category and lists cryptocurrencies among the things it does not cover. CIPF, which protects clients of CIRO dealers, says client property eligible for protection excludes crypto assets, even at an investment dealer. Some platforms say their custodians carry insurance, but that is the custodian's policy, not yours.

Is it safer to leave crypto on a registered exchange or hold it myself?

Both have risks. A registered platform must keep at least 80 percent of client coins with a third-party custodian, in trust and separate from its own property, which is a real protection. Holding your own keys removes the platform as a counterparty entirely, but if you lose the seed phrase the coins are gone and nobody can restore them. For an amount you would not want to lose, most guidance points to a hardware wallet with a tested backup.

What is a seed phrase?

A list of 12 or 24 words generated by your wallet under the BIP39 standard from a 2,048-word list. It is the master key: anyone who has it has your coins, and you can rebuild the whole wallet from it on a new device. It is shown once at setup and should never be typed into a phone or computer.

Where should I buy a hardware wallet in Canada?

From the manufacturer or an authorized reseller, never second-hand. The Canadian Anti-Fraud Centre's advice is to purchase hardware wallets directly from the manufacturer. Coldcard is made in Canada by Coinkite and sold from its own site; Trezor lists Amazon Canada among its resellers; Ledger sells direct. Check the seal or bag serial and run the maker's genuine-device check before you send anything to it.

Do I owe tax when I move coins from an exchange to my own wallet?

No. The CRA's crypto guide says transfers of crypto-assets between wallets that you own are not a taxable disposition. Selling, swapping or spending later still is.

What do I do if my device is lost or my seed phrase is exposed?

If the device is lost but the backup is safe, restore on a new device and move the funds to a fresh wallet with a new backup. If the backup may have been seen by anyone, assume it has been and move the funds immediately. If both device and backup are gone, the coins cannot be recovered.

Sources

  1. CSA Staff Notice 21-332: Crypto Asset Trading Platforms, pre-registration undertakings · Not less than 80 percent of client crypto with third-party custodians; segregation and trust. February 22, 2023.
  2. OSC GetSmarterAboutMoney: Understanding crypto asset trading platforms · A platform is not permitted to hold all its clients' crypto in its own wallets. Updated September 8, 2025.
  3. OSC GetSmarterAboutMoney: What are the risks of investing in crypto? · CIPF eligibility explicitly excludes crypto assets, even at an investment dealer. September 8, 2025.
  4. OSC staff report: QuadrigaCX, a review by staff of the Ontario Securities Commission · 76,000 clients, $215 million owed, at least $169 million lost; the cold-storage claims were untrue. 2020.
  5. CDIC: What's covered · Up to $100,000 per category; cryptocurrencies not covered.
  6. CIPF: About CIPF coverage · Eligible client property excludes crypto assets; $1 million limits per account category.
  7. Wealthsimple Crypto · Custodial partners hold most coins in cold storage with over $75M insurance each; not CIPF-protected.
  8. BIP39: Mnemonic code for generating deterministic keys · 12 to 24 words from a 2,048-word list; the optional passphrase. 2013.
  9. Ledger Academy: What is a recovery phrase? · Never share it, not even with Ledger. Updated June 19, 2026.
  10. Ledger Academy: Best ways to protect your recovery phrase · Never enter it into any internet-connected device; metal backups. Updated November 26, 2025.
  11. Ledger Academy: Passphrase, an advanced security feature · Up to 100 characters; a forgotten passphrase is permanently lost. Updated August 5, 2026.
  12. Trezor: Keeping your wallet backup safe · Never digital, never read aloud, shown once; engrave in steel or titanium.
  13. Trezor: Understanding wallet backups (12, 20 or 24 words) · BIP39 and SLIP39 share backups; below the threshold, recovery is impossible.
  14. Trezor: Passphrases and hidden wallets · A passphrase creates a new wallet; it cannot be changed, removed or recovered.
  15. Trezor: How hardware wallets keep your crypto safe · Keys are created inside the device and never leave it; every transaction is confirmed on the device. March 16, 2026.
  16. Trezor: Device authentication check · The genuine-device check at setup; do not turn it off.
  17. Trezor: Recent customer data exposed in shipping provider incident · ShipMonk exposure: 13,689 customers, then about 67,000 more; devices not compromised. August 13, 2026, updated September 4, 2026.
  18. Trezor: What to do if your Trezor or wallet backup goes missing · Move funds to a new wallet immediately.
  19. Coldcard: Quick start (bag inspection) · Inspect the tamper-evident bag; the serial is recorded inside the device.
  20. Coldcard: Upgrading firmware · Verify the signature and the SHA-256 hash before installing.
  21. Coinkite · Canadian bitcoin hardware company, founded 2012, maker of Coldcard, made in Canada.
  22. Canadian Anti-Fraud Centre: Investment scams · Purchase hardware wallets directly from the manufacturer. Modified January 16, 2026.
  23. Ledger: Addressing the July 2020 e-commerce and marketing data breach · About one million email addresses, 9,500 customers' names, addresses and phone numbers.
  24. Ledger: 6 ways to face the data breach · Never give the 24 words to anyone; never pay a ransom; contact local authorities if you fear for your safety. December 22, 2020.
  25. Ledger Academy: What are address poisoning attacks · Check the full address, not just the first and last characters. Updated August 29, 2025.
  26. Canadian Centre for Cyber Security: Best practices for passphrases and passwords (ITSAP.30.032) · At least four words and 15 characters; a different one for every account. February 2024.
  27. Canadian Centre for Cyber Security: Secure your accounts and devices with multi-factor authentication (ITSAP.30.030) · FIDO-based solutions strongly recommended. February 2024.
  28. Canadian Centre for Cyber Security: Don't take the bait, recognize and avoid phishing attacks (ITSAP.00.101) · Urgent requests, requests for confidential information, verify through a separate channel. November 2025.
  29. Shakepay: How to send crypto to an external wallet · Send minimums and the 24-hour hold after login changes.
  30. Bitbuy: Fees · Dynamic withdrawal fees; some coins are trade-only.
  31. Bull Bitcoin · Non-custodial Canadian exchange, FINTRAC registration M16730720, since 2013.
  32. CRA: Reporting income from crypto-asset transactions · Transfers between wallets you own are not a taxable disposition. Modified December 2, 2025.
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