Cipher Mining is trading 10.01% down at $10.21, with reports linking the continuing selloff to its $850 million zero-coupon convertible notes offering and exchange of older notes for shares. - The notes can convert into cash, shares, or both, raising dilution concerns. - Bitcoin is down 1.77% and Ethereum 2.97% since the prior close; technology shares also face inflation and rate concerns. - Cipher Mining announced the offering pricing on October 14.