It’s an encoded, URL-safe string that can contain an unlimited amount of data (unlike a cookie) and is cryptographically signed. When a server receives a JWT, it can guarantee the data it contains can be trusted because it’s signed by the source . No middleman can modify a JWT once it’s sent.17 Haz 2021
Read moreWhy you should never use JWT?
Although JWT does eliminate the database lookup, it introduces security issues and other complexities while doing so . Security is binary—either it’s secure or it’s not. Thus making it dangerous to use JWT for user sessions.24 Haz 2021
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