Solana: 25 Billion Transactions

Solana closed Q1 with a number that nobody else on the public L1 leaderboard can even pretend to rival — 25.3 billion on-chain transactions. It also closed the quarter with one of its largest DeFi exploits ever. Both are the story.

Start with the throughput. Per the Solana Foundation’s Q1 network report, the chain processed roughly 25.3 billion non-vote transactions in the first three months of 2026 at an average of just under 3,300 TPS and a hard-peak near 7,200 TPS during a late-February meme cycle. For context, that is more transactions in a quarter than Ethereum mainnet has processed in its entire history.

The sustained finality times are the more interesting number. With Firedancer validator share now above 18 percent of stake, median slot times tightened to 360 ms and finality sat comfortably under two seconds for the quarter. That is a genuine infrastructure milestone for any public chain, and it has started to pull institutional TradFi proof-of-concepts back toward Solana after a quiet 2024.

The exploit

The shadow on the quarter is the late-March exploit of a major Solana DeFi protocol, which drained roughly $270 million in stablecoins and liquid-staking tokens through a signature verification flaw inherited from a common SDK template. The protocol paused, socialized losses where possible, and began a compensated restart — but the optics were ugly enough that TVL on Solana’s top ten protocols dipped 14 percent in the 72 hours that followed.

The exploit was not a core protocol bug. It was a contract-level flaw in a dependency that multiple Solana projects had copied. But the distinction tends to evaporate in mainstream coverage, and that is exactly the problem Solana is now trying to address at the tooling layer.

The rebuild

The response has been unusually fast. Anza and several independent audit shops announced a joint initiative — codenamed “Gauntlet” — that will publish formally verified contract templates, a canonical signature verification library, and a funded bug-bounty pool for any project willing to adopt the reference stack. The first $25 million of funding came from the Solana Foundation directly.

Just as importantly, two major Solana wallets shipped simulation warnings this month that flag suspicious signature patterns before the transaction is broadcast. That is the kind of user-facing guardrail that EVM ecosystems only rolled out after their own wave of 2022-era exploits.

What it means for the quarter

Q1 throughput numbers will be used in every Solana pitch deck for the rest of 2026, and rightly so — the chain has decisively answered the scalability question. The harder question is whether the developer ecosystem can shore up its security posture fast enough to retain the institutional interest the throughput is now attracting. Q2 will be the first real test of that thesis.