Four teams at @Polkadotsub0 showed what’s possible when you give builders the right tools.
Here are the winners of the @Polkadot main track at sub0 HACK, each pushing real problems toward real solutions:
🔹 OpenArkiv - resilient, censorship-proof data delivery using mesh networking + blockchain storage
🔹 ObraClara - transparent infra-project management with on-chain traceability and AI search
🔹 Kleo Protocol - trust-based DeFi lending built with POP Scaffold and ink!
🔹 Plata Mia - cross-chain privacy using stealth addresses
Great ideas, strong execution, and a clear signal that Polkadot’s tech stack unlocks meaningful products.
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