Exchange Bitfinex platform has added new markets for dash, the digital currency that has seen big price moves this week.

The addition is actually the second time the exchange has listed the currency, formerly known as darkcoin. It was added in June 2014, only to be removed in August 2015 due to “persistently low trading demand”. That original listing, too, came during darkcoin’s 2014 market ramp, according to data from CoinMarketCap.

Bitfinex said today that it is launching new trading pairs for the currency, denominated in USD and bitcoin.

This week’s price rise around dash – which originally focused on financial privacy as darkcoin before a rebranding and shift toward broader consumer use – has raised questions among some market observers as to what exactly is underpinning the market moves.

While advocates say that the digital currency is drawing in serious investors, others contend that a mixture of illiquid order books and action by traders with big holdings – known more commonly as “whales” – are driving the price ramp.

“The partnership is recognition of the way the market has been responding to Dash’s vision and roadmap,” Daniel Diaz, VP of business development for the project, said in a statement.

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