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.
John Sidney McCain III is an American politician serving as the senior United States Senator from Arizona since 1987. He was the Republican nominee for President of the United States in the 2008 election, which he lost to Barack Obama. McCain graduated from the U.S. Naval Academy in 1958 and followed his father and grandfatherâboth four-star admiralsâinto the United States Navy. He became a naval aviator and flew ground-attack aircraft from aircraft carriers. During the Vietnam War, he ...