Since many years, cross-chain asset transfer is a well-known concept. It was almost developed as soon as several blockchains began to be developed. The idea gained widespread acceptance. In its initial application, the transfers focused on swaps between the chain’s native assets and tokens, which led later to several decentralized exchanges. Although exchange of assets is useful, it is not the only way to move assets across blockchains. This is becoming increasingly common.

Currently, 400,000 (BTCEther ( and rising) exist, and they are used in transactions that take place outside the Bitcoin blockchain. Ether has a large amount (ETH() can also be ported to different networks. These are sometimes referred to as Wrapped tokensThey can be distinguished from each other if they both exist in the same asset’s native network. Bridges are used to transfer native assets between older, more well-established blockchains and newer ones.