Blockstream Mining is raising funds by issuing a security token—Blockstream Mining Note 2 (BMN2)—backed by the Bitcoin (BTC) miner’s hashrate, according to a Sept. 5 announcement. The BMN2 token is designed to “provide direct exposure to Bitcoin hashrate operated by Blockstream’s… enterprise-grade mining facilities across North America,” Blockstream said. Priced at $31,000 per token, each BMN2 represents a 48-month claim on one petahash per second (PH/s) of Blockstream’s mining hashrate, the company said. Hashrate measures the computing power used to mine blocks on the Bitcoin network. In effe…