Different types of Blockchain available in Market these are Public Blockchain, Private Blockchain, and Consortium Blockchain. There are various Blockchain components that are available in the market like Ledger, Smart Contract, Consensus Network, Membership, Events, System Management, Wallet, System Integration.
John McCain and Al Sharpton. When John McCain ran for president in 2008, some commentary focused on the age gulf between him and Barack Obama. So McCain's announcement Tuesday that he will seek a sixth term in the Senate in November suggests that he must be near the upper end of the age range of Senate. Which he is. But, if McCain, who is now 78, is reelected, he probably won't even be one of the three oldest senators in the 115th Congress, much less history.
Cindy Lou Hensley McCain is an American businesswoman, philanthropist, and humanitarian, and the wife of long-time United States Senator and 2008 Republican presidential nominee John McCain of Arizona. She was born and raised in Phoenix, Arizona, as the daughter of wealthy beer distributor Jim Hensley. After receiving bachelor's and master's degrees from the University of Southern California, she became a special education teacher. She married John McCain in 1980 and the couple moved to Arizona