Question 1

What is a random token?

Accepted Answer

A random token is a cryptographically random string used for authentication, authorization, or as a one-time code. Tokens can be hex, base64, or base64url encoded.

Question 2

What token format should I use?

Accepted Answer

Use hex for compact string representation, base64 for shorter tokens (more bits per character), and base64url for tokens that appear in URLs.

Question 3

How long should a token be?

Accepted Answer

For security tokens, use at least 32 hex characters (128 bits). For API tokens, 32-64 characters provides strong security.

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