Popular mobile payments service Cash App has added a layer-2 payment protocol Lightning Network to help users transact with bitcoin, nearly three years after it initially announced it will do so.
The feature was rolled out secretly earlier this year to a handful of users. At the time, the company founded and run by the former co-founder and CEO of Twitter, Jack Dorsey, has not issued any official notice, but some Cash App users reported that the Lightning functionality is already available…
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