AMSTERDAM — The boss of Goldman SachsStarling, a digital bank backed by Starling, has doubled down its criticisms of cryptocurrency and called digital currencies a danger to the security of payment infrastructure.

Anne Boden, founder of Starling and a speaker at Tuesday’s Money 20/20 conference in Amsterdam, stated that “it is very dangerous.” Starling, a British company that offers free checking accounts and loans via an app, is based in Britain. The firm was last privately valued at £2.5 billion ($3.1 billion) and counts the likes of Goldman and Fidelity as investors.

“A lot of” [crypto]Boden stated that wallets were being linked directly to payment systems. “This poses a risk to our global payment networks’ safety,” Boden said.

The major payment processors are embracing cryptocurrencies — credit card giants Mastercard VisaFor example, they opened up their networks to digital assets while PayPalUsers can also trade bitcointhe use of cryptocurrencies. Regulators worry about the financial sector becoming unstable. more entwinedWith the volatile crypto world.

The combined total of all cryptocurrencies has lost approximately $400 billion in value over the past month as investors panicked at the crash of terraUSDA popular, stablecoin called. It was designed to have a $1 value.

Boden is not the only one to warn about the risks of crypto. Her previous warnings about consumers becoming victims to fraud due to crypto-investments were sound.

Starling’s chief stated Tuesday that customers are being conned. We spend far less time trying to encourage crypto than protecting our customers.

Boden answered a question about whether Starling would offer crypto. Boden added that crypto companies are still catching up in anti-money laundering control.

The U.K. Financial Conduct Authority released the results of a review in April that revealed online-only challenger bank accounts aren’t doing enough to tackle financial crime.

Starling didn’t identify any of these firms, but Starling confirmed they were among those whose systems were evaluated. Starling spokeswoman for Starling, stating that the company is “extremely vocal” about fraud prevention.