Solana Firedancer dev sheds light on the project’s difficulties

Firedancer has yet to go fully live, but its progress has been “pretty impressive,” a dev said

article-image

Andis Rea/Shutterstock and Adobe modified by Blockworks

share

This is a segment from the Lightspeed newsletter. To read full editions, subscribe.


Solana’s Firedancer client — a high-performance implementation of the blockchain’s software being built by Jump — was first announced in 2022. 

Nearly three years later, the project still comes with training wheels.

That’s a very long time in the crypto world, so when Firedancer developer Michael McGee joined me on the Lightspeed podcast this week, I was curious to get his take on the client’s timeline. McGee painted an enormously difficult engineering task: rewriting a poorly documented codebase from scratch while the original software sees constant upgrades.

“The fact that…the product is alive…is, I think, pretty impressive,” McGee said of Firedancer. 

Firedancer’s biggest current obstacle is the conformance problem, McGee said, where the validator must perfectly match the existing Agave client’s behavior under all circumstances. Conformance is made harder by the fact that Solana developer shop Anza ships a lot of new code, so the software is something of a “moving target,” McGee said.

Anza’s proposed Solana consensus rewrite, Alpenglow, is a “perfect example of something that makes our life very, very difficult,” McGee said, noting that he had personally implemented what he saw as the best possible proof-of-history implementation into Firedancer.

Under Alpenglow, proof-of-history will go away, making all that work moot.

In the meantime, Firedancer’s more limited client has seen growing adoption. Frankendancer is up to 9.3% of all staked SOL, according to Blockworks Research data. Validators running Frankendancer have noticed better-packed blocks, we reported previously.

With Solana’s current block limit of 50 million compute units, McGee said Firedancer can’t push performance as far as it would like to, so it has focused on more efficiently packing blocks in the interim.

When I asked him for Solana’s ideal block limit — which basically defines how compute-intensive blocks can be — McGee said the barrier should be removed entirely, and validators should be left to come to a block size equilibrium.

So that hallowed figure of one million transactions per second is likely a way off, but in the meantime, a number to watch will be 20%. When that proportion of Solana stake is running Frankendancer, the network will be vulnerable to stoppages from the client but better protected from an infinite mint bug.


Get the news in your inbox. Explore Blockworks newsletters:

Tags

Decoding crypto and the markets. Daily, with Byron Gilliam.

Upcoming Events

Javits Center North | 445 11th Ave

Tues - Thurs, March 24 - 26, 2026

Blockworks’ Digital Asset Summit (DAS) will feature conversations between the builders, allocators, and legislators who will shape the trajectory of the digital asset ecosystem in the US and abroad.

Old Billingsgate

Mon - Wed, October 13 - 15, 2025

Blockworks’ Digital Asset Summit (DAS) will feature conversations between the builders, allocators, and legislators who will shape the trajectory of the digital asset ecosystem in the US and abroad.

recent research

Unlocked by Template (1).jpg

Research

As AI supercharges surveillance, privacy becomes a prerequisite and the winning stack will combine confidentiality with selective disclosure. Zcash’s Tachyon, composable standards on Ethereum/Solana, and compliance-aware pools aim to make private rails the new norm.

article-image

The startup says it aims to rival Stripe and Worldpay by using stablecoins to speed merchant settlements from days to seconds

by Blockworks /
article-image

“S&P 500” for crypto comes as segment gains “established role in global markets,” S&P exec says

article-image

The S&P Digital Markets 50 Index combines 15 cryptocurrencies with 35 crypto-linked companies, offering investors hybrid exposure

by Blockworks /
article-image

Gnosis is betting that openness — not ownership — will define the future of onchain money

article-image

Crypto’s quest to imbue shareholder protections for tokens

article-image

Grass previously raised a seed and Series A rounds and plans to utilize the token purchase to execute on its roadmap