A division of PNC Financial Services Group Inc  will use technology built by startup Ripple to process international payments, the companies said on Wednesday, a possible precursor to the use of blockchain in mainstream finance.

Global banks and trading firms are launching the first blockchain-based platform for financing the trading of commodities from oil to wheat, they said in a joint statement on Wednesday.

Britain's cryptocurrency market resembles the Wild West and should be regulated, lawmakers said on Wednesday, urging the government to bring to heel a sector plagued by volatile price swings, vulnerability to hacking and weak consumer protection.

Several cryptocurrency exchanges are plagued by poor market surveillance, pervasive conflicts of interest and lack sufficient customer protections, the New York Attorney General's office said in a report published on Tuesday.

The Tezos cryptocurrency project is preparing to launch the long-awaited main version of its network that underpins a new virtual token on Monday, a Swiss foundation that promotes the initiative said on Twitter on Friday.

New York state's top banking regulator on Friday sued the federal government to void its decision to award national bank charters to online lenders and payment companies, saying it was unconstitutional and put vulnerable consumers at risk.

U.S. securities law can be used to prosecute fraud cases over cryptocurrency offerings, a New York federal judge ruled on Tuesday in what appeared to be the first court decision to address the issue.

Two Wall Street regulators on Tuesday announced a series of actions, including levying fines, against companies involved with cryptocurrencies, in a flurry of activity reflecting efforts to monitor the popular and unregulated asset class.

New York state on Monday approved Gemini Trust Company's and Paxos Trust Company's dollar-linked digital currencies, the first stablecoins to get the nod from the region's regulator.

Bitcoin briefly climbed above $6,300 on Monday after New York state's Department of Financial Services approved Gemini Trust Company's and Paxos Trust Company's dollar-linked digital currencies, the first stablecoins to get the nod from the regulator.