all right this week in the united states congress they're going to have a hearing of bitcoin and its carbon footprint this thursday the u.s congress is going to listen in on the environmental impact of Proof of Work crypto mining which is big it was brought to us by a 70-coalition organizations that wanted to hear about cleaning up the cryptocurrency and the energy impacts of blockchains and the Bitcoin Policy Institute wants to reiterate that it wants to clarify the record and ensure that the policy discussion around bitcoin is grounded in science and in fact.