(Bloomberg) -- Bitcoin began the week on a down note, declining as much as 8.7 percent, pushing the biggest cryptocurrency's decline for March to about 25 percent.
Twitter Inc. confirmed Monday that it's banning advertisements for initial coin offerings and token sales on its social-media platform. The decision comes after Facebook Inc. banned cryptocurrency ads in January and Alphabet Inc.'s Google said it would ban such ads starting in June, as part of a broader effort to crack down on deceptive and misleading advertising on their platforms.
After reaching a record high of almost $20,000 in December, Bitcoin has slumped about 60 percent as investors reconsider the prospects of the digital currency and regulators around the world increase scrutiny.
The U.S. Securities and Exchange Commission sent a number of subpoenas earlier this month to ICO teams it suspects are breaking securities regulations, and it has warned since July that some of the offerings may be breaking securities regulations. Twitter said on March 7 that it was implementing measures to prevent crypto scams.
For more on cryptocurrencies:
Twitter Joins Facebook, Google in Banning Crypto Coin Sale Ads
ICOs Can Wait: Venture Capital Surges Into Crypto Startups
Bitcoin Pop Culture Moment Fades as Craze Attracts Regulators
Why Governments Might Join the Cryptocurrency Craze: QuickTake
To contact the reporter on this story: Camila Russo in New York at crusso15@bloomberg.net.
To contact the editors responsible for this story: Jeremy Herron at jherron8@bloomberg.net, Dave Liedtka, Andrew Dunn
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