Bcoin
Javascript bitcoin library for node.js and browsers
...It is easier to use, faster to learn, and more well-documented than competing implementations. Engineered from the ground up to create scalable, flexible, and efficient production-ready systems with unparalleled code readability. Bcoin is consensus-conforming and adheres to the strict security standards of the original implementation maintained by Bitcoin Core. Bcoin can be integrated into almost any desktop or browser application to enable native payments, on both Bitcoin and Bitcoin Cash networks. Bcoin is the first full node implementation built specifically for production systems at scale. ...