MintMark

Proof of Learn by MintMark

On-chain credentialing and alumni staking protocol for the Solana education ecosystem

[MintMark @mint_mark0]

Mintmark → live on Solana devnet 🟣 Onchain. Verifiable. Soulbound. 8 instructions deployed. Building for @colosseum Frontier. https://t.co/vnToXcRgtY

[MintMark @mint_mark0]

DAY3 #BST PDFs are dead. Day 2 of building on-chain learning credentials on Solana. 11 tests. All green. Frontend live. https://t.co/vnToXcRgtY 🟣🟣 #Solana #Colosseum

[MintMark @mint_mark0]

Day 2 at Build Station Tbilisi.
We're building Mintmark — because every Solana bootcamp grad gets a PDF and nothing else.
Today we shipped the core Anchor program. Soulbound certs. On-chain proof that you actually learned.
Tbilisi is building.
@ColosseumOrg Frontier 2026

[MintMark @mint_mark0]

Week 1 shipped.
7 Anchor instructions. Soulbound certs. $MARK staking gated by proof of learning.
PDFs are dead. On-chain credentials are the standard.
🟣 #Solana #Colosseum

[MintMark @mint_mark0]

Built for @ColosseumOrg Frontier Hackathon. On-chain credentials. Soulbound NFTs. Instant verification. Proof of Learn — coming soon. #Solana #Colosseum #Hackathon2026