U.S. Lawmakers Seek Common Definition for Blockchain
A pair of U.S. representatives, Doris Matsui, a California Democrat, and Brett Guthrie, a Kentucky Republican, have introduced a law to create a working group to determine a definition of blockchain.
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A great innovations... Block chain is the only way to curb and eradicate poverty worldwide
"U.S. Lawmakers Seek Common Definition for Blockchain"
that is easy to define ,it is a immutable database.