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.
Mini Bio (1) John McCain was born on August 29, 1936 in Canal Zone, Panama as John Sidney McCain III. He is an actor and writer, known for Face the Nation (1954), Television's Vietnam (1985) and Why We Fight (2005). He has been married to Cindy Hensley McCain since May 17, 1980. They have four children.