A blockchain originally block chain, is a growing list of records, called blocks, that are linked using cryptography. Each block contains a cryptographic hash of the previous block, a timestamp, and transaction data (generally represented as a Merkle tree).
We may not be living on Mars or traveling to work using jet packs, but there's no doubt the coming decade will bring many exciting technological advances. this article outline the 25 key technology trends that may shape the 2020s
The challenges at hand, and how technology can help; More than 500k Women die every year in pregnancy and childbirth, 99% live in the developing world, 50% Adults living with HIV/AIDS worldwide are women