Blockchain Development Case Studies

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Blockchain projects rarely fail on the cryptography. They fail on everything around it: how on-chain logic meets an existing ERP, who signs what, how the data gets indexed, and what happens when the network is congested. These four projects show that boundary in practice — a supply chain ecosystem running on a private Vostok blockchain with IoT sensors feeding it, a payment identification system that issues a dedicated smart-contract address per client, an analytics platform that reads exchange data in real time, and a trading bot operating on Solana. Each one started from a business constraint, not from a whitepaper.