Between January to May of 2026 alone, the crypto industry has already suffered hundreds of millions, and in some estimates, well over $1 billion, in losses tied to infrastructure failures, compromised credentials, weak access controls, bridge exploits, social engineering, and API abuse. 

Here are some of the common causes:

• exposed API keys,

• weak administrator authentication,

• missing webhook validation,

• poor internal permissions,

• unmonitored infrastructure,

• insecure CI/CD pipelines,

• cloud misconfigurations,

• and operational shortcuts taken during early-stage growth.

That said, if your infrastructure touches customer funds, wallets, payment rails, stablecoins, settlements, custodial systems, or trading systems, then API security is business survival.

At Quidax, we take security management seriously and we believe that the businesses who leverage us should too, that’s why we’ve designed this guide to serve as a central operational reference for crypto startups, fintech builders, exchanges, wallet providers, payment gateways, OTC desks, and embedded finance teams entering application security management for the first time.