Technology · Beginner lesson · about 2 minutes
Bridges
Systems that move value or messages between different networks.
The short answer
A bridge usually relies on contracts, validators, custodians, or proofs to represent activity from one network on another. The design determines what must be trusted.
In plain English
A bridge usually relies on contracts, validators, custodians, or proofs to represent activity from one network on another. The design determines what must be trusted.
The details differ by network and service, so use the linked sources and the project’s own documentation when a decision depends on current behavior.
What can go wrong
Read this before you act.
Bridge exploits, frozen withdrawals, validator compromise, and mismatched assets can cause permanent loss.
Check your understanding
A few questions. Not a test.
Pick an answer to see why it's right or wrong. There's no score to unlock.
Sources and corrections
This lesson is a starting point. The two sites below are good general places to learn more. Please tell us if something needs fixing.