0xCert
A Javascript framework that enables the building of decentralized applications easily and quickly.

Library that simulates the Ethereum development environment by setting up mock Ethereum nodes.
As a part of the HTTP toolkit, Mockthereum is a tool that helps in rapid testing, development and debugging on the Ethereum Virtual Machine. With Mockthereum, you can set-up fake Ethereum nodes, deploy your code on them and test all transactions done through the node. You can completely customize your node, allowing you to change parameters to simulate different scenarios on the Ethereum network — both standard and malicious ones.
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