Security Checklist Before Launching a Crypto Exchange in 2026
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Seeing a lot of new exchange projects rush straight to token listings without locking down infrastructure first. A few non-negotiables that keep getting skipped:
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Cold/hot wallet split — never keep more than a small operational float in hot wallets
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Multi-sig withdrawal approval — single-key custody is how most 2024-25 hacks happened
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Third-party smart contract audit — before mainnet, not after a scare
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Rate-limited API + DDoS protection — matching engines get hammered during volatile sessions
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Insurance fund / SAFU-style reserve — rebuilds user trust fast if something does go wrong
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Regular penetration testing — quarterly minimum once you're handling real volume
Most teams underestimate how much of the launch budget should go here versus UI/marketing. If you're scoping a build, it's worth studying how an established crypto exchange development service structures this stack before finalizing your own architecture saved me from a few rookie mistakes early on.
What's everyone else prioritizing security-wise before going live anything on this list you'd rank differently?
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