Joined October 2025
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Run Harmonic. • Streaming mode (replaces the former Full Block Auction) • Configurable scheduling: 2 network-aligned options, 1 max revenue option • Custom scheduling strategies on request • Two validator clients with full third-party security audits: Salsa (Agave) and Samba (Firedancer) • No sandwiching, no censorship, no malicious MEV New application form, apply in 2 mins: go.harmonic.gg/onboard

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Our cofounder and CTO Jakob Povsic joined 60 industry leaders urging the Senate to pass the Clarity Act with developer protections and the BRCA intact. Clear rules let infrastructure builders keep advancing decentralized protocols in the US. Read the full letter: go.harmonic.gg/0osDJF6
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Harmonic retweeted
Today, @temporal_xyz is starting a new discussion to turbocharge the solana economy via SIMD 547 Discuss:
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Harmonic retweeted
[Speaker Announcement] We're excited to announce that @s4bs94, Engineering @harmonic_gg, will join us live on stage in Berlin! Expect sharp insights on the future of infrastructure. 👉 June 13th. 🔗 Secure your spot👇
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The team is in Miami for Accelerate (@SolanaEvents) and @consensus2026. We want to meet validators, searchers, ecosystem contributors, and fans. Slide in DMs if you’re interested.
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1/ Announcing Harmonic Preconfs, now in private pilot. A gRPC stream of Solana transactions emitted the moment the Harmonic builder identifies them for inclusion, before they enter shred form. Every public early-data product on Solana today sits downstream of shred generation. Preconfs sits upstream of it. For the slots Harmonic builds, there is no earlier read in existence.
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7 / Harmonic builds ~20% of Solana slots today. Every additional Harmonic validator expands the slot coverage Preconfs runs on. More Harmonic slots, more signal.
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Harmonic retweeted
Apps should have ultimate control over their sequencing. The best way to do this it with a maximally granular verifiable tick. Opinionated applications, unopinionated l1
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Harmonic retweeted
We take negative MEV extremely seriously and have done everything in our power to ensure user txs are treated with care. Super happy to see it paying off
harmonic has the lowest sandwiching rate out of all clients, lower than even vanilla agave!
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Harmonic retweeted
harmonic has the lowest sandwiching rate out of all clients, lower than even vanilla agave!
Run Harmonic. • Streaming mode (replaces the former Full Block Auction) • Configurable scheduling: 2 network-aligned options, 1 max revenue option • Custom scheduling strategies on request • Two validator clients with full third-party security audits: Salsa (Agave) and Samba (Firedancer) • No sandwiching, no censorship, no malicious MEV New application form, apply in 2 mins: go.harmonic.gg/onboard
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Apr 24
life update: i've joined the @temporal_xyz team. there isn't a more cracked team on solana and i'm excited to help level up their offerings. to start, i'll be taking my deep institutional solana staking expertise to scale @harmonic_gg after doing the same at @coinbase. huge thx to @HypoNyms @libsvm @cavemanloverboy @_cathyyoon for the trust. dms are open.
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You heard it here first
i expect harmonic validators to do very well once 100m cus ptoken goes live, assuming there's enough traffic a good chunk of the alpha in harmonic builders comes from high performance infra, vs what folks traditionally view as mev; searchers love to spam with a passion. we're on a generational cooking run rn on this front and about to plate it up. dm @harmonic_gg to get connected
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Harmonic retweeted
Censorship resistance is one of the most important properties in defi The question is what is the most effective way to get there
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Harmonic retweeted
1/ PropAMMs and the Next Chapter of Permissionless Market Structure For years, onchain trading won on access, lost on execution. Some feel better performance requires moving backwards to centralized systems PropAMMs on @solana are proving permissionless can outcompete centralized
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