Bitfinex has hired white-shoe law firm Steptoe & Johnson and said it may sue a pseudonymous blogger who has accused the bitcoin exchange of fraud.
The individual or group behind the alleged Tether attack may have been involved in a previous well-known hack in the bitcoin space.
The team behind the stable cryptocurrency Tether is claiming $30 million worth of its funds have been sent to an unauthorized address.
Brock Pierce-led startup Realcoin has clarified its purpose with a new name as the project enters private beta.