If someone has been sitting in a den all year and has not heard what Starknet is, then today I will tell you about this blockchain.

Starknet is a groundbreaking solution in the blockchain space, specifically categorized as a Validity Rollup Layer 2. It's engineered to address some of the most pressing challenges in the Ethereum ecosystem, offering high throughput, reduced gas costs, and maintaining the robust security standards of Ethereum Layer 1.

Here you can see the huge ecosystem of Starknet:

Imagine a Sudoku puzzle – verifying a solution is significantly easier than starting from scratch. If our objective is to convince others that a particular puzzle has been solved, we can save substantial computational resources by having one person compute the solution and then sharing it for others to verify. In this approach, the computation for a solution becomes a one-time event that doesn't need to be redundantly replicated by society. Similarly, Starknet applies this concept to scale Ethereum by replacing resource-intensive Layer 1 (L1) computation with more lightweight, and consequently cost-effective, Layer 1 verification. This verification is achieved through off-chain STARK proofs.

Here's a closer look at how Starknet operates:

1. Validity-Rollup Design: Starknet is classified as a permissionless Validity-Rollup, which is often referred to as a "ZK-Rollup." This innovative architecture supports general computation and is currently functioning as a Layer 2 network on top of Ethereum. It aims to harness the eventual security of Ethereum's Layer 1 by leveraging the power of STARKs, a cryptographic proof system renowned for being both secure and highly scalable.

2. STARK Proofs: STARKs are at the core of Starknet's security model. They provide the necessary cryptographic assurances to validate transactions and smart contract interactions while preserving the integrity and trustworthiness of the Ethereum network.

3. Cairo Language: Starknet predominantly employs the Cairo programming language for writing its smart contracts. Cairo is a Turing complete language designed specifically for creating STARK proofs. It's optimized for efficient computation and is well-suited for the off-chain execution that Starknet relies on.

In essence, Starknet represents a significant step forward in making Ethereum more scalable and cost-efficient while upholding the highest standards of security. It's a testament to the continuous innovation within the blockchain space and the ongoing efforts to address the limitations of existing networks.

If you want to know more you can learn it on official website: