NFC (Close to subject interaction) is usually a set of standards for smartphones and similar units to establish peer-to-peer radio communications with one another by touching them with each other or bringing them into proximity, typically no more than a few inches. ECC_SECG_P256K1 (secp256k1), normally useful for cryptocurrencies. The ECC http://jonathan2q02fhg5.worldblogged.com/profile