What Is Solana? SOL, Speed & High-Performance Blockchains Explained

Solana is one of the fastest growing blockchain platforms in crypto. Where many networks struggle with congestion and high fees during peak demand, Solana was designed from scratch with performance as the central goal. Understanding what it does differently — and what trade-offs it makes — helps explain both its success and its criticisms.

Who Created Solana?

Solana was founded by Anatoly Yakovenko, a former Qualcomm engineer who published a whitepaper in 2017 describing a novel approach to blockchain timekeeping. The network launched on mainnet in March 2020 after a series of testnet phases. Yakovenko co-founded Solana Labs, the company that initially developed the technology, with Greg Fitzgerald, Raj Gokal, and others. A separate non-profit, the Solana Foundation, supports the broader ecosystem.

The name comes from Solana Beach, a coastal town in Southern California near where early team members lived and worked.

How Solana Achieves High Speed

Most blockchains have a speed problem rooted in coordination: before any validator can process transactions, the network must agree on the order those transactions occurred. Reaching that agreement takes time.

Solana's key innovation is Proof of History (PoH) — a cryptographic clock built into the protocol itself. Rather than asking every validator to agree on timing, PoH creates a verifiable, time-stamped record of events using a sequential hash function. Each output becomes the input for the next, forming an unbreakable chain of time-stamps that every validator can independently verify.

By solving the timing problem at the protocol level, validators can process transactions in parallel rather than waiting for global consensus at every step. Combined with a Tower BFT consensus mechanism (a variation of proof of stake adapted for PoH), Solana can theoretically handle 65,000+ transactions per second.

In practice, mainnet throughput varies based on load, but even at conservative estimates Solana is orders of magnitude faster than Ethereum's base layer (15–30 TPS) and multiple times faster than most other blockchains.

Transaction finality: approximately 400–800 milliseconds. Average transaction fee: less than $0.001. Validator count: thousands of active validators globally.

What Is SOL?

SOL is Solana's native token. It has two main functions:

Paying fees. Every transaction on Solana requires a small fee paid in SOL. A portion of each fee is burned (destroyed), while the remainder goes to the validator processing the transaction.

Staking. Solana uses proof of stake: SOL holders can delegate their tokens to a validator, who uses the staked SOL to participate in consensus. Delegators earn staking rewards proportional to their stake. The annual staking yield varies, but has typically been in the low single digits as a percentage.

SOL also functions as the currency for the Solana ecosystem — it is used in DeFi protocols, NFT purchases, and as collateral in various applications.

What Is Solana Used For?

Solana's combination of speed and low cost has attracted a wide range of use cases:

DeFi. Solana hosts major decentralised exchanges (Jupiter, Orca, Raydium), lending protocols, and perpetuals trading platforms. Its low fees make frequent transactions practical in a way that Ethereum's base layer does not.

NFTs. Solana became one of the largest NFT platforms after Ethereum, particularly for lower-cost digital collectibles where Ethereum gas fees made minting and trading impractical. Marketplaces like Magic Eden process millions of dollars of Solana NFT volume monthly.

Consumer applications. Solana has attracted mobile-native crypto projects — including its own Saga smartphone — and is home to some of the most-used consumer-facing crypto apps and games.

Stablecoins. Major stablecoins including USDC and USDT run natively on Solana, enabling fast, cheap stablecoin transfers that are practical for real payments.

Token launches. Solana has become a popular chain for new token launches, particularly in the meme coin space, due to its low launch costs and active retail audience.

How Solana Compares to Ethereum

Solana and Ethereum are often described as competitors, but they make different trade-offs.

Ethereum prioritises decentralisation and security. Its validator set is extremely large, its client diversity is high, and its modular architecture (with Layer 2 rollups handling cheap transactions) means the base layer can remain conservative. The trade-off is higher base-layer fees and slower finality.

Solana prioritises raw performance on a single chain. Transactions settle in under a second at sub-cent cost. The trade-off is that running a Solana validator requires significant hardware, which limits who can participate directly in consensus. Critics argue this makes Solana's validator set less decentralised than Ethereum's.

Neither approach is objectively superior. For applications that require high throughput and low latency — trading platforms, games, consumer apps — Solana's design is compelling. For applications where maximum decentralisation and an established ecosystem matter most — particularly institutional DeFi and financial infrastructure — Ethereum remains the default.

Network Outages: What Happened and What Changed

Solana experienced several notable network outages between 2021 and 2023, most caused by waves of bot-generated transactions overwhelming the network's memory pool. These incidents damaged confidence in Solana's reliability and gave critics a legitimate point about the trade-offs of optimising for throughput over resilience.

Solana Labs and the ecosystem have made meaningful improvements since then: QUIC, a fee market upgrade (local fee markets), and stake-weighted quality of service have significantly improved the network's ability to handle spam and degraded conditions. As of 2025–2026, Solana has maintained substantially better uptime than its early years, though no blockchain can claim a perfect record.

Checking the Live SOL Price

The live Solana price is available on this site in real time. You can also compare Solana's position in the market on the crypto market cap rankings.

For context on how Solana relates to the broader ecosystem, the guides on What Is Ethereum and What Is BNB cover the two other major smart contract platforms.

This is educational information, not financial advice. Cryptocurrency investments carry significant risk, including the potential loss of all capital. Always do your own research before investing.