I recommend taking a look at the sidechain papers written by. The smart contracts are confined to access data only within the blockchain itself, such as previous transactions and blocks. In this article, you will understand what sidechains and their role in scaling the bitcoin blockchain We will examine different examples of bitcoin l2 solutions that use sidechains, their unique advantages, and their drawbacks compared to other layer two scaling methods. Sidechains enable developers to deploy blockchain solutions that can quickly scale, at lower cost and under at a high level of security Sidechains can also be referred to as childchains.
Rootstock (rsk), liquid network, mezo Sidechains enable features like smart contracts and improved throughput but rely on federated security models or merge mining Rootstock (rsk) rootstock is an smart contract platform that runs on top of bitcoin Smart contracts can be written and deployed on the rsk chain, enjoying its flexibility and speed while being secured by the bitcoin network.
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