This is a paid promotional article. We encourage you to conduct your own due diligence before participating in any related transactions. BitcoinOS (BOS) unveiled its highly anticipated Grail testnet bridge app on Monday, which they call the “holy grail” technology that will kickstart a new era of innovation and investment opportunities on Bitcoin. With the […] Source: https://news.bitcoin.com/bitcoinos-launches-holy-grail-bitcoin-bridge-app-ahead-of-bos-presale/