What is Solana (SOL)?

Solana (SOL) is an open-source blockchain platform designed to handle high transaction volumes at low cost. The project's foundations were laid by Anatoly Yakovenko in 2017, and it was officially launched in March 2020 by the Solana Foundation. Solana focuses on solving the scalability problem faced by decentralized applications (dApps) and decentralized finance (DeFi) ecosystems. Its network is built to process thousands of transactions per second (TPS), aiming to provide a fast experience for its users.

The Solana (SOL) Project

Solana is a Layer 1 project that aims to solve scalability, one of the biggest obstacles to the mass adoption of blockchain technology. Most blockchains require intensive communication between nodes to agree on the order and time of transactions, which limits speed. Solana eliminates this communication overhead with a timestamping mechanism called Proof of History (PoH). This allows the network to operate at a performance level close to that of a single node, providing high throughput without compromising decentralization.

History and Founders

The mastermind behind Solana is Anatoly Yakovenko, a former Qualcomm engineer. In 2017, he published a whitepaper describing his Proof of History (PoH) solution to the blockchain clock problem. The idea was shaped by his experience as a software engineer at Dropbox and his background in distributed systems at Qualcomm. The project was developed under Solana Labs by Yakovenko and a team that included his former Qualcomm colleague Greg Fitzgerald. The Solana mainnet was launched in March 2020 by the Solana Foundation, which is based in Geneva, Switzerland.

How Does It Work?

Solana's operating principle is based on a combination of eight key innovations, at the center of which is Proof of History (PoH). PoH is not a consensus mechanism but a method for creating a reliable source of time that everyone on the network can agree on before transactions occur. Solana uses a sequential SHA-256 hashing Verifiable Delay Function (VDF). Each validator maintains its own clock this way and does not need to communicate with others to confirm that time has passed. As a result, the block producer is scheduled in advance, and the network never has to wait for a slow or failed validator.

Built on top of Proof of History is a consensus algorithm called Tower BFT. This algorithm leverages the synchronized clock from PoH to accelerate the voting and agreement processes. For data propagation, a BitTorrent-like method called the Turbine protocol is used. Blocks are broken into small packets and fanned out to a large number of random peers simultaneously, achieving block propagation at a logarithmic speed.

Another crucial feature of Solana is its ability to process smart contracts (programs) in parallel. The runtime environment, called Sealevel, allows transactions to be executed simultaneously on hardware like GPUs and SSDs, unlike the single-threaded structure of most other blockchains. This is a critical design difference that enables the network to achieve very high throughput.

SOL Tokenomics

SOL Token Supply

SOL is the native cryptocurrency of the Solana network. While there is no fixed maximum supply, Solana's inflation model is designed to decrease over time. The initial annual inflation rate was set at 8%, and this rate decreases by 15% each year, aiming to stabilize at a long-term rate of 1.5%. A portion of the circulating SOL tokens was distributed in initial seed and founding sales, some to the team and the foundation, and the rest in public and private sales.

Which Network Does SOL Operate On?

SOL is the native asset of the Solana blockchain. It is used to secure the network, which employs a hybrid combination of Proof of Stake (PoS) and Proof of History (PoH), and to process transactions. The smallest unit is called a lamport, named after computer scientist Leslie Lamport, a key technical inspiration for Solana (1 SOL = 1,000,000,000 lamports).

SOL Use Cases

The SOL token serves the core functions of the Solana ecosystem. Its primary use is to pay for transaction fees on the network. SOL is also required to open a new account or interact with on-chain programs (smart contracts). SOL holders can stake (delegate) their tokens to a validator, contributing to network security and earning rewards in return. Staking allows users to earn passive income while increasing the network's decentralization. Additionally, SOL grants holders the right to vote on on-chain governance decisions.

Risks

Solana's performance-oriented design comes with certain risks. The high throughput requires significant hardware, increasing the cost of running a validator. This can lead to a smaller number of powerful validators dominating the network, raising centralization concerns. In the past, the network has experienced several outages during periods of intense traffic, and such stability issues can affect trust in the platform. Solana also faces intense competition from Ethereum and many other Layer 1 blockchains; falling behind in this race could slow its ecosystem's growth. Furthermore, regulatory uncertainty surrounding crypto assets is a potential risk factor for Solana and SOL, as it is for the entire sector.

How to Buy Solana (SOL)

Secure Transactions with Bitlo

Buying SOL is a straightforward process. You can easily purchase Solana on Bitlo using Turkish Lira (TRY) or USDT without needing any technical knowledge or additional documentation. For a detailed step-by-step guide, you can check out our How to Buy Solana (SOL) guide. Once you have bought your SOL, we recommend exploring your Solana (SOL) wallet options to store them securely.

Frequently Asked Questions (FAQ)

What is the biggest feature that sets Solana apart from other blockchains?

Solana's most distinctive feature is the Proof of History (PoH) mechanism. This mechanism creates a reliable timestamp for ordering transactions without requiring nodes to constantly communicate to agree on time. This allows the network to achieve significantly higher transaction speeds compared to many other blockchains.

What are the transaction fees on Solana?

Transaction fees on the Solana network are very low. A transfer or smart contract interaction typically costs a tiny fraction of a SOL, often less than a dollar. This low cost is a result of the network's high-efficiency design.

Can you earn passive income with SOL?

Yes, SOL holders can contribute to the network's operation by delegating (staking) their tokens to a validator and earn regular rewards in return. This process allows users to create a passive income stream without locking up their crypto assets.

What is the difference between Solana and Ethereum?

While both are smart contract platforms, the main difference lies in their scalability approach. Ethereum aims to scale through Layer-2 solutions and sharding. Solana, on the other hand, aims to achieve high performance at the main network (Layer 1) level using proprietary technologies like Proof of History and parallel transaction execution, which generally translates to lower and more predictable transaction costs.

Does the Solana network experience outages?

As a reflection of its high-performance goals, Solana has experienced a few network-level outages in the past. These were typically caused by periods of intense traffic or unforeseen software bugs. The developer team and the community are constantly working on updates and improvements to enhance the network's stability.