4eyes

We make blockchain happen

My takeaways from the Hyperledger Global Forum

Blockchain with real applications, self-critical participants without hype, ICOs and tokens. The Hyperleger Global Forum 2018 in Basel was my conference highlight 2018. Read about my experience on the official hyperledger blog.

4eyes builds Blockchain for energy savings insurance

The Energy Savings Insurance (ESI) project helps SMEs to evaluate and track energy saving renovations and upgrades. The ESI model, using an independent validation process, backed by an insurer, is making sure that energy saving promises are met and that the return on investment is realized. The project team is using a Hyperledger Fabric Blockchain…
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Writing Fabric Chaincode in Javascript

With the release of Fabric 1.1 you may now write your chaincode in javascript. Let’s have a look how it’s done.

Minimal Fabric Development Environment

Sometimes I quickly want to try an idea I, but do I really need to fire up 10+ docker containers? No, I don’t. We’ve adapted the fabric (byfn) setup script to include only the absolut minimum: