Colosseum's Crypto World's Fair Hackathon Opens to Builders on Every Chain
Ecosystem Sep 3, 2026

Colosseum's Crypto World's Fair Hackathon Opens to Builders on Every Chain

Colosseum has opened registration for the Crypto World's Fair, an online hackathon running September 14 to October 12, 2026 that is open to builders on every blockchain rather than Solana alone. Every submission is eligible for prizes regardless of chain, though the $250,000 pre-seed check and the accelerator seat behind it still go only to Solana teams.

NFTs Sep 1, 2026

OpenSea Brings Back Solana NFT Trading Four Years After Its Exit

OpenSea has relaunched Solana NFT trading on its OS2 marketplace, four years after its original 2022 beta stalled out with only 165 collections. The comeback opens with five collections, including Claynosaurz and Mad Lads, and follows Rarible's own Solana NFT relaunch three weeks earlier.

Ecosystem Aug 29, 2026

Solana University Ambassador Program Opens Applications for Fall 2026

Solana has opened the Solana University Ambassador Support Program, a paid, one-semester role for two student ambassadors per participating university who run Workshops, Build Nights, and Demo Days from September through December. Ambassadors get a USDC stipend, event funding, full RPC/AI/data toolkit access, and a shot at Breakpoint or Accelerate for top performers, with applications closing September 1, 2026.