anabel

Edgecoin believes that one educated person in a family can change the life of everyone. After paying much hard money, spending travel cost and time. Yet, Edgecoin’ aren’t satisfied with our old education system. Our Mission is to supply users’ practical knowledge, unlimited courses, and training with universally accepted certification at one click without paying any additional cost. here is our site: https://www.edgecoinpay.com/  Blockchain  blockchain is a digital ever-growing list of data records. Such a list is comprised of many blocks of data, which are organized in chronological order and are linked and secured by cryptographic proofs. The first prototype of a blockchain is dated back to the early 1990s when computer scientist Stuart Haber and physicist W. Scott Stornetta applied cryptographic techniques in a chain of blocks as a way to secure digital documents from data tampering. The work of Haber and Stornetta certainly inspired the work of Dave Bayer, H...