How to Check Crypto Exchange Security Before Depositing

By Marcus Yeo · Published 2026-09-28 · Independent review — not affiliated with any exchange

Checking crypto exchange security before depositing means confirming the platform can actually cover what it holds and has a track record of handling problems honestly. That’s the whole exercise, whether you’re moving $200 or $200,000. This guide is a checklist — read it once, bookmark it, and run through it every time you’re deciding whether to fund a new account, because the same five checks catch most of the risk that separates exchanges that survive a bad week from ones that don’t.

I’ve moved money onto more exchanges than I’d like to admit since 2019, and a decent chunk of that was undoing mistakes I made early — trusting a slick landing page over an actual audit trail. None of the checks below are exotic. They just require you to look past the sign-up bonus and actually read the fine print an exchange would rather you skip.

Does the exchange publish proof of reserves, and how recent is it?

Proof of reserves (PoR) is a cryptographic snapshot, usually Merkle-tree based, showing an exchange’s on-chain holdings line up with what users are owed. Most major exchanges publish some version of this now, but the details vary enormously.

What to actually check:

• Attestation date, a PoR page last updated eight months ago tells you almost nothing about current solvency.
• Auditor identity, third-party firm named, or is it self-reported?
• Scope, does it cover all major assets, or just BTC and ETH while ignoring the long tail of altcoins users actually hold?

A PoR snapshot proves solvency at one moment in time. It says nothing about liabilities like undisclosed loans, and it says nothing about tomorrow. Still, an exchange that publishes one regularly and keeps it current is telling you something about how it operates internally, even if the document itself isn’t a full guarantee.

Is there an insurance or user-protection fund, and how big is it?

Separate from reserves, look for a dedicated fund set aside specifically to cover shortfalls from hacks, bad debt in liquidation cascades, or system errors. Names vary, insurance fund, protection fund, SAFU-style reserve, but the questions are the same:

1. Is the size publicly disclosed, and in what asset?
2. How is it funded, a cut of trading fees, a company allocation, or unclear?
3. Has it ever actually paid out, and can you find documentation of that?

A fund that’s never been tested isn’t necessarily a bad sign, but a fund that exists only as a marketing line with no disclosed size is worth treating with suspicion.

Has the exchange been hacked before, and how did it respond?

This is the check most traders skip, and it’s the one that matters most. Every major exchange operating long enough has faced attempted or successful breaches, the differentiator isn’t a clean history, it’s what happened after.

Two contrasting examples worth studying. When Bitget dealt with a security incident in 2026, the public communication and remediation timeline became a reference point for how an exchange handles disclosure under pressure, you can read Bitget’s official updates directly rather than relying on secondhand summaries. Bybit’s 2025 incident involving the Lazarus Group, by contrast, is widely cited as a case where a large-scale attack was met with rapid public disclosure and a swift operational response, details of which Bybit has documented on its own site. Neither case means “never got hacked”, it means look at the response, not just the headline.

For a deeper breakdown of one major 2026 incident specifically, see our full writeup on the Bitget hack and why spreading funds across exchanges is the practical takeaway, not just picking “the safe one.”

What crypto exchange security audit reports and licenses should you look for?

Regulatory status is one of the fastest checks you can run, and one of the most commonly skipped because it requires visiting a regulator’s site instead of the exchange’s marketing page.

Regulatory status changes, sometimes fast. An exchange that was compliant last year can lose standing, and marketing pages rarely get updated the day that happens. Check the regulator’s own registry, not the exchange’s claim about it.

How do you test withdrawal reliability before you commit real size?

Everything above is documentation. This step is behavioral testing, and it’s the one I never skip regardless of how good an exchange looks on paper.

• Deposit a small amount first, not your intended full position.
• Trade it lightly, then initiate a withdrawal.
• Time how long it takes from request to confirmation on-chain.
• Check independent forums (Reddit, Telegram trading groups) for recent complaints about delayed or frozen withdrawals, these surface faster than official statements when something’s wrong.

Slow withdrawals during normal market conditions are a warning sign. Slow withdrawals during high volatility, when everyone’s trying to move funds at once, are the actual stress test, and one you generally can’t run yourself, so lean on recent community reports for that scenario.

Putting it together before you deposit

None of these checks individually proves an exchange is safe. Together, they tell you whether an exchange treats security as infrastructure or as a line item in a pitch deck. If you want a structured way to weigh all of this against specific platforms rather than doing it from scratch every time, our review methodology lays out exactly how we score exchanges on these same criteria, and the exchange rankings apply that scoring across the platforms traders ask about most.

For leveraged trading specifically, security checks matter even more since your downside isn’t just custody risk, it’s compounded by liquidation risk from the platform’s own margin engine. Our guide to high-leverage exchanges covers which platforms combine higher leverage caps with stronger security disclosures, which is the combination worth actually looking for rather than treating them as separate decisions.

Marcus Yeo — Trades perpetual futures full-time and has opened, funded and stress-tested accounts on more than 20 exchanges since 2019. Runs every withdrawal test himself.