The firm announced its pivot to mining in January.
Throughout a two-year prison term, the man repeatedly refused to give wallet access to German authorities.
ArmorFi's CTO has also offered to get a tattoo chosen by the ethical hacker who found the bug.
Dorsey will now have a hand in keeping the bitcoin network running.
The scammers may be trying to collect a database of crypto users for sale on the dark web, said Kaspersky.
The South African Revenue Service is likely "ensnaring" non-compliant taxpayers, a tax consultancy said in a news report.
Users of SBI's cryptocurrency exchange can lend XRP for a return of 0.1% per annum.
Feroz will bring experience "built across the global payments and fintech industry," BCB Group said.
Bitcoin has potential to support a huge long-term valuation but there isn't enough institutional involvement now, said Scott Minerd.
Corporate Intelligence Services said it launched the new repayment option to provide a better service to its "clientele."
High on-chain fees and transaction times for bitcoin can be off-putting to users, the exchange said.
The method employs Securosys' hardware security modules to keep participants' keys safe.
The NYSE-listed lottery firm may also acquire another 10,000 miners this year.
The Polkadot ETP (PDOT) will list on the Swiss SIX Exchange on Thursday.
The ether trust had been closed in late December.