Solana launched its mainnet beta in March 2020, built by Anatoly Yakovenko and the Solana Labs team around a specific bet: that a single, highly optimised layer-1 could offer far higher throughput and lower fees than Ethereum by combining proof-of-stake with a novel timestamping mechanism, rather than scaling primarily through separate layer-2 networks.
Category
layer-1
Consensus mechanism
Proof of Stake (with Proof of History for transaction ordering)
Launched
2020
Proof of History and consensus
Solana's distinguishing technical idea is Proof of History (PoH), a verifiable clock that timestamps transactions before consensus is reached on their order, reducing the communication overhead validators need to agree on sequencing. This is combined with a proof-of-stake consensus mechanism (Tower BFT) for finality, together aiming at thousands of transactions per second and sub-second confirmation under normal conditions.
That performance-first design has a trade-off: Solana has experienced several widely reported network outages and periods of degraded performance over its history, generally attributed to resource exhaustion from transaction spam or client bugs, and the team has shipped multiple client and fee-market upgrades specifically to address this.
Ecosystem and use cases
Solana's low fees and fast confirmation have made it a popular base for high-frequency DeFi trading, NFT minting, and — particularly since 2023–2024 — a major venue for meme-token launches and trading via on-chain launchpads. It also has a growing base of mobile and payments-oriented projects aiming to use its speed for point-of-sale and consumer use cases.
Tokenomics
| circulating-supply | — |
|---|---|
| max-supply | — |
| issuance-model | No fixed cap; a disinflationary annual issuance schedule set by the protocol, partially offset by fee-burning |
Last verified: 8 July 2026. before you rely on any figure — live circulating supply and market cap are never published here; check a live tracker.
Risks & criticisms
- Solana has a documented history of mainnet outages; check its current uptime track record before relying on it for time-sensitive activity.
- Validator hardware requirements are relatively demanding compared with some other proof-of-stake chains, which some critics argue concentrates validation among better-resourced operators.
- A large share of activity on Solana (meme-token trading in particular) carries very high asset-specific volatility, distinct from SOL's own risk profile.
Where to buy
Related buying guide
→ Solana — related buying guideFrequently asked questions
What is Proof of History?
A verifiable, cryptographic clock Solana uses to timestamp transactions before ordering them, reducing the coordination overhead validators need compared with time-stamping through consensus messages alone.
Has Solana had network outages?
Yes, several have been publicly documented over its history, generally attributed to transaction-processing overload or client bugs; the network has shipped upgrades targeting this specifically.
Is Solana proof-of-work or proof-of-stake?
Proof-of-stake, combined with its Proof of History timestamping mechanism for ordering transactions.