Interchain Mediators: What are they?

Initially, the cryptocurrency community thought the only blockchain protocol they would ever need was Bitcoin; this has remained the case for a period of time. However, soon Ethereum popped up and widened the blockchain world. This marked the beginning of numerous other blockchains, each introducing a unique set of protocols and financed by different kinds of tokens.

Read More here:
https://www.tokens24.com/cryptopedia/basics/interchain-mediators-what-are-they