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Solana officially launched the main network in 2020. It was founded by former Qualcomm engineer Anatoly Yakovenko and is headquartered in San Francisco. Its design goal is to solve the problems of slow speed, high cost, and poor scalability faced by traditional blockchains (such as Bitcoin and Ethereum). It is considered to be one of the public chains most likely to challenge the status of Ethereum.  What is Solana (SOL)? 01Solana is an open source, high-performance blockchain platform whose main features are decentralized applications (dApps) and decentralized finance (DeFi) platforms. High performance It was designed to solve the "scalability" problem faced by other blockchains such as Bitcoin and early Ethereum. It can theoretically handle tens of thousands of transactions per second (TPS). Low cost Due to its high throughput TOPS and less network congestion, the gas fee for each transaction is very low, usually less than $0.01. Native Token: SOLSOL is the native cryptocurrency of the Solana network. It has two main uses:
The fundamental difference between Solana and other ecosystems (especially Ethereum) 02Solana is often called one of the "Ethereum killers", but with the development of blockchain, the focus of the two ecosystems is now different. 1. Core technology: Proof-of-History (PoH). This is Solana’s biggest technical highlight and the key to achieving high speed. Solana: Introduced Proof of History (PoH). PoH is essentially a cryptographic clock. It stamps transactions with a verifiable, sequential timestamp as they occur. It allows nodes in the network to confirm the sequence of events without communicating with each other. Other public chains (such as Ethereum): use Proof of Work (PoW, now converted to PoS) or pure Proof of Stake (PoS). Validators need to spend time communicating with each other and reaching consensus on the order and timing of transactions. The difference is: when transactions are bundled into a block, validators no longer need to spend a lot of time arguing about "which transaction happened first", they only need to look at the timestamp of the PoH. This greatly reduces the time required to reach consensus, making the network extremely fast. 2. Architectural concept: Monolithic vs. Modular. This is the biggest development difference in the blockchain field at present. Solana (monolithic architecture): adheres to the "Monolithic" concept. Solana seeks to make its Layer 1 (L1) mainnet itself extremely powerful and fast enough to handle all transactions, settlements, and data. It does not rely on Layer 2 (L2) solutions to scale. Ethereum (modular architecture): moving towards the "Modular" concept. Ethereum L1 focuses on security and decentralization (as the "settlement layer"), leaving the "execution layer" (i.e. speed and transactions) to be handled by Layer 2 solutions (such as Arbitrum, Optimism, zkSync, etc.). 3. Transaction processing: Parallel vs. Sequential Ethereum (EVM): Its virtual machine (EVM) is essentially "single-threaded". It processes transactions one at a time in sequence, like a bank counter with only one window. Solana (Sealevel): Introduces Sealevel technology. This makes it the first blockchain to process smart contracts in parallel. It identifies which transactions are unrelated and then processes them simultaneously. Just like a bank counter with multiple windows, it can serve different customers at the same time.  Summary comparison: Solana vs. Ethereum 03
Solana’s Ecology and Applications 04 Currently Solana has developed a complete Web3 ecosystem, including:
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