Cryptoupdated 2h ago2 min read
Fidelity Says Solana Runs Two Years Without Mainnet Outage, Seeks 200ms Block Interval
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Solana operated without a mainnet outage for two years, per Fidelity FCAT. Validator, hosting, and client software concentration raises decentralization risk.

5 outlets told this the same way.
Two years without outages
Fidelity’s Center for Applied Technology said Solana has operated without a mainnet outage for the past two years, framing the result as progress in stability, economic security and performance. Fidelity’s FCAT report cited high staking participation and an incentive structure that rewards validator performance as pillars supporting the network’s economic security.
Fidelity’s FCAT report also pointed to low latency, expanded throughput capacity, and inexpensive transaction costs as strengths enabling large-scale real-world usage. The report said Solana reduced its block production interval to 350 milliseconds in August, and it said the Solana Foundation is pursuing a plan to lower the block production interval to 200ms.

Concentration remains a risk
Fidelity’s FCAT report flagged that staked supply is concentrated among a limited set of validator identities and operators, and it said concentration in server hosting and node client software requires ongoing observation. Fidelity’s FCAT report said concentration in staked tokens among some validators and operators, as well as in server infrastructure, requires continued monitoring from the standpoint of network decentralization and resilience.
Cointelegraph said Fidelity’s report warned that concentrations in stake, hosting and client software could threaten Solana’s resilience. Fidelity’s FCAT report also described a path of additional block production interval reductions, including three subsequent reductions of 50ms each.

Planned interval cuts
Solana Foundation vice president of technology Jacob Creech disclosed Solana’s August change to a 350 millisecond block production interval, according to Fidelity’s assessment. Fidelity’s FCAT report said the Solana Foundation is pursuing a plan to lower the block production interval to 200ms to improve latency and accelerate confirmation speeds across the blockchain network.
Bloomingbit said the Solana Foundation’s plan includes three additional reductions of 50 milliseconds each after the move to 200 milliseconds. Cointelegraph reported that Solana had reduced its slot time to 350 milliseconds, and it said the report tied that change to the Solana Foundation’s vice president of technology, Jacob Creech.