A 6-digit OTP (One-Time Password) wordlist consists of all possible numeric combinations from . This equates to exactly 1,000,000 unique entries

An attacker writes a script that submits login attempts to a website or API, cycling through a wordlist of 10,000 high-probability OTPs. Without rate limiting, a 10,000-attempt attack can finish in seconds.

You can find pre-generated text files for 6-digit combinations on popular developer platforms: SecLists (GitHub)

: Determining if a system blocks an IP or account after failed attempts.

While 1,000,000 combinations might seem easy to crack, modern security standards make it nearly impossible to succeed using a simple wordlist.