DOT rallies 12% in a day as Polkadot gears up to solve a major blockchain hacking problem
Polkadot (DOT) price ticked higher in the past 24 hours on anticipations that its new cross-chain communications protocol would solve a long-standing problem in the blockchain sector.DOT price gains 12% on XCM launchBulls pushed DOT's price to $16.44 on May 5 from $14.72 a day before, gaining a little over 12%
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