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Solana's network took a notable step this week as Firedancer, a validator client developed by Jump Crypto, began running on the mainnet, and markets reacted quickly. Related Reading: Is Dogecoin Waking Up? Critical On-Chain Metric Explodes Higher According to Solana's announcement, the client moved out of a controlled testing phase and is now active for real-world validation. Traders pushed SOL up about 5%, with the token trading close to $140 during the initial move. Firedancer Goes Live On Mainnet During more than 100 days of controlled tests, a small set of validators produced more than 50,000 blocks without downtime, according to reports. Built in C and C++, Firedancer was made to handle heavy workloads and to lower the chance of network interruptions. Test environments reportedly showed the client processing over 1 million transactions per second, a figure that far exceeds current mainnet throughput. BREAKING: After 3 years of development, Firedancer is now live on Solana Mainnet, and has been running on a handful of validators for 100 days, successfully producing 50,000 blocks 🔥💃 pic.twitter.com/Y0WxxEj2WL -- Solana (@solana) December 12, 2025 That high number comes from lab-style tests, not live traffic, and should be read as experimental performance rather than everyday capability. Solana co-founder Anatoly Yakovenko marked the transition as a step out of a long beta cycle for the network. Early Adoption And Stake Adoption is still small in terms of stake. The first Firedancer nodes hold under one percent of total staked SOL, and that share is expected to grow as operators add it to their setups. Reports have disclosed that a December rollout prompted more than 20% of validators to move from earlier experimental clients, showing a rapid shift among some operators. Running multiple validator clients reduces dependence on a single software implementation. If one client encounters a bug, others can keep block production running. That diversity mirrors how other large proof-of-stake chains operate. Why This Matters For Validators And Apps Validators and developers stand to benefit if Firedancer keeps meeting its goals. Faster or more reliable validation could mean more capacity for apps that need many transactions per second. For node operators, the option to mix clients offers an added safety net. Still, the network's real-world load will be the true test, and watchers say they will be looking at uptime and performance over the coming weeks. Related Reading: Do Kwon Falls Hard -- Terraform Labs Chief Gets 15 Years For Wire Fraud Market Moves And Technical Signals The announcement coincided with a clear market flow into SOL. Reports have disclosed $11 million in inflows to Solana ETFs on the day of the news, while Bitcoin saw outflows of $77.30 million and Ethereum $42.35 million. Featured image from Phantom, chart from TradingView