Understanding blockchain layers

When investing in various cryptocurrencies, it is easy to get caught up in market volatility and trends, however, some people, especially those who are new to cryptocurrencies, overlook the fact that purchasing a coin also entails purchasing the project it stands for. It is possible that one may have heard of Blockchain Layers like 0, 1, 2, or even Layer 3 solutions. Layer 0 The foundation of a blockchain is offered by Layer 0 technology, which consists of hardware and software components, that may be used to build blockchains. Important characteristics Layer 0 makes interoperability possible Dapps may "cross-chain" if two chains are built on the same layer, which is extremely advantageous for developers. Examples of layer 2 solutions include state channels, nester blockchains, side chains, optimistic rollups, zero-knowledge rollups, Plasma, and Validium.