Question 1

I’m ready to build with IBC. How can I get started?

Question 2

What is the Cosmos IBC? Is it the same as the IBC Protocol?

Question 3

Is there a cost to build with IBC?

Question 4

Does IBC depend on a specific blockchain or token?

Question 5

Is IBC limited to chains using the Cosmos SDK and CometBFT, or can chains in other ecosystems connect to IBC?

Question 6

Is IBC limited to communication between chains, or can smart contracts communicate over IBC?

Question 7

What is CosmWasm?

Question 8

Do I need permission to integrate IBC into my blockchain?

Question 9

Does the IBC Protocol charge fees for cross-chain transactions?

Question 10

Can I customize IBC for my use case?

Question 11

What is a light client?

Question 12

What kinds of light clients does IBC support?

Question 13

Which languages are supported for writing light clients?

Question 14

How do developers implement a new light client on a chain?

Question 15

What is a relayer?

Question 16

What does “trust-minimized” mean?

Question 17

How is IBC different from an externally verified bridge?

Frequently Asked Questions