Introduction. Mining is the process of adding transaction records to Bitcoinâs public ledger of past transactions. This ledger of past transactions is called the block chain as it is a chain of blocks. The block chain serves to confirm transactions to the rest of the network as having taken place.itcoin uses the hashcash proof-of-work function. The primary purpose of mining is to allow Bitcoin nodes to reach a secure, tamper-resistant consensus. Mining is also the mechanism used to introduce Bitcoins into the system: Miners are paid any transaction fees as well as a âsubsidyâ of newly created coins.
Hail stones are much bigger than ice pellets that one sees in a sleet. Hail has been known to cause damage to crops and occasionally to drivers as they can break windshields of cars. You can understand how big and heavy a hail must be if it can break a windshield of a car.
Graupel, also called soft hail or snow pellets, is precipitation that forms when supercooled water droplets are collected and freeze on falling snowflakes, forming 2â5 mm balls of rime. The term graupel comes from the German language. Graupel is distinct from hail, small hail and ice pellets: the World Meteorological Organization defines small hail as snow pellets encapsulated by ice, a precipitation halfway between graupel and hail. The METAR code for graupel is GS.