Bridges facilitate communication and interoperability between two technologically diverse and economically sovereign chains. They are considered a cornerstone of blockchain technology.
Bridges make the Polkadot ecosystem compatible with external blockchains such as Bitcoin, Ethereum, and others.
What Are Bridges?
There are several types of bridge designs. These range from centralized and trusted bridges to highly decentralized and trustless bridges. In the case of Polkadot, decentralized and trustless bridge designs are favored as they allow greater decentralization. However, teams are free to deploy centralized bridges as well. While bridge designs are sufficiently planned out and efficient, they have been used sparingly when it comes to production.
When it comes to building a decentralized and trustless bridge, developers can use one of the following methods: bridge pallets, smart contracts, and higher-order protocols.
Bridge pallets – Bridge pallets can be used to
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