Blockstream CEO leads a $2.2 million funding round in Sweden's First Bitcoin Treasury Firm, H100 Group AB.The funding will be used to purchase Bitcoin, making H100 the first public firm in Sweden to adopt a Bitcoin treasury policy.The funding round led by Adam Back includes $1.4 million from his firm and $800,000 from other investment firms.Convertible loans with zero interest will be used to purchase Bitcoin, with plans to convert into shares in 2028 if certain criteria are met.