ChainCatcher news, The ETF Store President Nate Geraci posted on social media that Nexo 7RCC has submitted the S-1 amendment for the world's first Bitcoin and carbon credit futures mixed ETF. The fund adopts a portfolio of 80% Bitcoin and 20% carbon credit futures, tracking carbon trading systems such as EU carbon emission allowances, California carbon allowances, and the Regional Greenhouse Gas Initiative. The SEC has approved its 19b-4 filing, which is seen as the ESG version of Bitcoin ETF. The fund's price fluctuations will be influenced by the spot price of Bitcoin, carbon credit allowances, and their futures prices.