The Nigerian authorities says it has demanded virtually $10bn (£8bn) in compensation from cryptocurrency firm Binance.
It says Binance has manipulated trade charges by way of forex hypothesis and rate-fixing, which have seen the naira lose practically 70% of its worth in latest months.
Two Binance executives had been arrested in Nigeria earlier this week.
Binance didn’t reply to the BBC's requests for remark.
Nigeria is Africa's largest financial system and in addition one of many world's largest cryptocurrency markets.
On Tuesday, Nigeria's central financial institution governor Olayemi Cardoso stated Binance Nigeria had moved $26 billion of untraceable funds.
“These allegations are heavy,” Tilewa Adebajo CFG Advisory tells the BBC. “It is a big sum – much more than Nigeria's annual diaspora remittances of $24 billion.”
“The federal government should have accomplished its homework, therefore the allegations.”
Cryptocurrency transactions equal to about 12% of Nigeria's whole earnings, or GDP, happened within the 12 months to June 2023, in line with Reuters information company.
Cryptocurrencies should not unlawful in Nigeria, however firms should be registered to function there, the federal government says. A particular adviser to the president of Nigeria informed the BBC that Binance has failed to do that.
After he got here into workplace final 12 months, President Bola Tinubu scrapped the coverage of pegging the naira to the greenback, permitting merchants to purchase and promote the forex at market-determined charges. However particular counsel Bayo Onanuga stated the latest collapse was not the results of regular actions.
“Impulsively, the trade fee went by way of the roof … and it was attributable to individuals on the Binance platform,” he informed the BBC Newsday program.
“The federal government couldn’t simply fold its fingers and permit this factor to proceed.”
Binance is known to be probably the most fashionable cryptocurrency platforms within the nation.
To the frustration of Nigerian customers, Binance and several other different cryptocurrency corporations have been suspended within the nation in latest weeks together with Coinbase, Kraken, Forextime, OctaFX, Crypto and FXTM in an try to cease the slide of the naira.
As for the collapse of the naira, the federal government additionally says that crypto is getting used for cash laundering and terror financing.
“The anonymity and privateness inherent within the cryptocurrency system is what attracts people, particularly these with illicit intentions, in the direction of its use,” stated a latest report by the Nigerian Monetary Intelligence Unit.
Cardoso, the governor of the central financial institution, stated on Tuesday that “illicit flows” have been noticed in some cryptocurrency platforms in Nigeria. No particular firm has been named because the culprits.
In one other measure geared toward curbing international forex buying and selling, Nigeria has closed hundreds of bureaux de change.
Nigeria's central financial institution has been below stress to stabilize the nationwide forex, the naira, which presently trades at 1,595 naira to US$1, in comparison with round 460 a 12 months in the past.
The collapse of the naira has exacerbated the price of dwelling disaster. Excessive costs of meals and commodities – together with gas and transport – have led to protests in latest weeks.
Further reporting by Natasha Booty