One River Digital Asset Management has filed paperwork on a preliminary prospectus with the U.S. Securities Exchange Commission to launch the One River Carbon Neutral Bitcoin Trust.The One River Carbon Neutral Bitcoin Trust is an exchange-traded fund that issues common shares of beneficial interest that will be listed on the New York Stock Exchange and be traded under a ticker symbol that has yet to be determined.The fund's investment objective is to seek and track the performance of bitcoin, as measured by the performance of the MVIS One River Carbon Neutral Bitcoin Index. The index is meant to mirror the performance of bitcoin in U.S. dollars on a carbon-neutral basis.Per the prospectus, "The Trust intends to offset the carbon footprint associated with bitcoin by purchasing and retiring carbon credits necessary to account for the estimated carbon emissions associated with the bitcoins held by the Trust."The news comes out as bitcoin (BTC-USD)