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VOICE ARCHIVE

Caitlin Ostroff

@ceostroff
25 posts
2025-12-19
What happens when a bunch of business journalists are asked to try and break an AI vending machine?  Well, let's just say the  —  @wsj.com data journalism team has a new pet fish.  —  Read, and watch the video.  🐟  —  www.wsj.com/tech/ai/anth...
2025-12-19 View on X
Wall Street Journal

In an experiment, Claude ran a vending machine in the WSJ newsroom and lost $1,000+ after it dropped prices to zero, gave away a free PlayStation, and more

until someone pointed out this would fall afoul of the US Onion Futures Act of 1958. @andonlabs : Turns out journalists are better red-teamers than AI researchers. We've taught the...

What happens when a bunch of business journalists are asked to try and break an AI vending machine? Well, let's just say the @WSJ data journalism team has a new pet fish. Read, and watch the video. 🐟 https://www.wsj.com/...
2025-12-19 View on X
Wall Street Journal

In an experiment, Claude ran a vending machine in the WSJ newsroom and lost $1,000+ after it dropped prices to zero, gave away a free PlayStation, and more

until someone pointed out this would fall afoul of the US Onion Futures Act of 1958. @andonlabs : Turns out journalists are better red-teamers than AI researchers. We've taught the...

2023-08-02
Binance was supposed to leave China behind when the country made cryptocurrency trading illegal in 2021. Yet its users traded $90 billion of crypto-related assets in China in a single month, according to internal figures viewed by @WSJ w/@kowsmann https://www.wsj.com/...
2023-08-02 View on X
Wall Street Journal

Internal Binance data and current and former employees say Chinese users traded ~$90B in crypto assets on the exchange in May 2023, despite China's crypto ban

Retaining its Chinese footprint will be crucial for Binance as it faces a global regulatory crackdown

2023-03-06
Binance said it would stop serving U.S. customers. But in the messages a Binance executive suggested ways it could retain the largest U.S. clients. “Have them be creative and VPN,” he said. He also discussed whether U.S. customers had offshore entities they could use. 4/8
2023-03-06 View on X
Wall Street Journal

Sources and documents: Binance and Binance.US are more intertwined than they have disclosed, sharing staff, finances, and an affiliated entity to trade crypto

Wall Street Journal :

2023-01-13
.@SBF_FTX has taken to Substack for his new tell-all. Free with the option of paying him. 🤔 https://www.wsj.com/... https://twitter.com/...
2023-01-13 View on X
Axios

Sam Bankman-Fried publishes a Substack post offering his account of how FTX collapsed, sticking to his claims of innocence even after ex-executives pled guilty

think there shouldn't be a paying option anymore... Dave Weisberger / @daveweisberger1 : https://www.wsj.com/... It is tiresome to read SBF's half truths. 1/ His claims about Binan...

.@SBF_FTX has taken to Substack for his new tell-all. Free with the option of paying him. https://www.wsj.com/... https://twitter.com/...
2023-01-13 View on X
Axios

Sam Bankman-Fried publishes a Substack post offering his account of how FTX collapsed, sticking to his claims of innocence even after ex-executives pled guilty

think there shouldn't be a paying option anymore... Dave Weisberger / @daveweisberger1 : https://www.wsj.com/... It is tiresome to read SBF's half truths. 1/ His claims about Binan...

2023-01-12
.@SBF_FTX has taken to Substack for his new tell-all. Free with the option of paying him. 🤔 https://www.wsj.com/... https://twitter.com/...
2023-01-12 View on X
Axios

Sam Bankman-Fried publishes a Substack post offering his account of how FTX collapsed, sticking to his claims of innocence, even as ex-executives plead guilty

Disgraced FTX founder Sam Bankman-Fried on Thursday published his account of how the crypto company collapsed.

2023-01-02
“We know the owner of Alameda and consider him of the highest reputation in the industry,” Dan Friedberg wrote to one prospective lender to Alameda. He later became FTX's chief regulatory officer. w/@kowsmann, @Vlajournaliste, @GZuckerman, @eliotwb https://www.wsj.com/...
2023-01-02 View on X
Wall Street Journal

A look at the rise and fall of Alameda Research, whose troubles began well before the crypto crash as the firm took big gambles, winning some and losing plenty

Some projects are just better when dead asap. 😥 Tom Gara / @tomgara : Also maybe this is common knowledge but I didn't realize that famous SBF origin story trade in Japan profited ...

2023-01-01
“We know the owner of Alameda and consider him of the highest reputation in the industry,” Dan Friedberg wrote to one prospective lender to Alameda. He later became FTX's chief regulatory officer. w/@kowsmann, @Vlajournaliste, @GZuckerman, @eliotwb https://www.wsj.com/...
2023-01-01 View on X
Wall Street Journal

A look at the rise and fall of Alameda Research, whose troubles began well before the crypto crash as it took big gambles, winning some and losing plenty

Trading firm took big gambles, winning some and losing plenty; ‘complete lack of a risk-management framework’

2022-11-20
Lots of tidbits in this story, but here's a favorite: Starting late last year, FTX started calling Bahamian banks with an unusual offer: Deposit your cash in FTX's crypto-lending platform in exchange for interest of as much as 12%. https://www.wsj.com/...
2022-11-20 View on X
Wall Street Journal

FTX says it has fired CTO Gary Wang, engineering director Nishad Singh, and Alameda Research CEO Caroline Ellison

The three executives and Mr. Bankman-Fried are said to have known FTX was using customer funds to plug a funding gap  —  FTX, the cryptocurrency exchange launched by Sam Bankman-Fr...

Lots of tidbits in this story, but here's a favorite: Starting late last year, FTX started calling Bahamian banks with an unusual offer: Deposit your cash in FTX's crypto-lending platform in exchange for interest of as much as 12%. https://www.wsj.com/...
2022-11-20 View on X
Wall Street Journal

A look at the dispute between FTX's new management and Bahamian regulators over who should control the company's assets, and how the fight may affect customers

Liquidators in the Bahamas are embroiled in a dispute with FTX over who has control over crypto assets held in the country

2022-08-14
New w/@dnvolz: U.S. officials sanctioned Tornado Cash this week but limits are already showing: —People copied the platform's code before GitHub took it offline —People are pulling funds from sanctioned accounts —They're sending funds to random Americans https://www.wsj.com/...
2022-08-14 View on X
The Block

Dutch authorities arrest a Tornado Cash developer suspected of involvement in concealing money laundering, two days after the US sanctioned the crypto mixer

- The Tornado Cash developer arrested by Dutch authorities on Wednesday is Alexey Pertsev, his wife has confirmed to The Block.

2022-08-13
New w/@dnvolz: U.S. officials sanctioned Tornado Cash this week but limits are already showing: —People copied the platform's code before GitHub took it offline —People are pulling funds from sanctioned accounts —They're sending funds to random Americans https://www.wsj.com/...
2022-08-13 View on X
The Block

Dutch authorities arrest a Tornado Cash developer suspected of involvement in concealing money laundering, two days after the US sanctioned the crypto mixer

- The Tornado Cash developer arrested by Dutch authorities on Wednesday is Alexey Pertsev, his wife has confirmed to The Block.

New w/@dnvolz: U.S. officials sanctioned Tornado Cash this week but limits are already showing: —People copied the platform's code before GitHub took it offline —People are pulling funds from sanctioned accounts —They're sending funds to random Americans https://www.wsj.com/...
2022-08-13 View on X
Wall Street Journal

The decentralization of crypto services like Tornado Cash leaves authorities without an enforcement target, making them difficult if not impossible to shut down

People copied the platform's code before GitHub took it offline —People are pulling funds from sanctioned accounts —They're sending funds to random Americans https://www.wsj.com/.....

2022-06-19
Crypto hedge fund Three Arrows Capital has hired legal and financial advisers to help work out a solution for its investors and lenders, after suffering heavy losses from a broad market selloff in digital assets, the firm's founders said. via @SerenaNgWSJ https://www.wsj.com/...
2022-06-19 View on X
Rest of World

Despite a cratering crypto market, many traders in Latin America still see crypto as a way to circumvent unstable or stagnant economies where they live

Caught between rocketing inflation and a cratering crypto market, many stick with Bitcoin.  —  • MEXICO CITY, MEXICO

Crypto hedge fund Three Arrows Capital has hired legal and financial advisers to help work out a solution for its investors and lenders, after suffering heavy losses from a broad market selloff in digital assets, the firm's founders said. via @SerenaNgWSJ https://www.wsj.com/...
2022-06-19 View on X
Bloomberg

Bitcoin fell to under $18K on Sat., below the high of $19,511 it hit during its last bull cycle in 2017, as ether dropped below $1K, both down 70%+ since Nov.

Bitcoin plunged through several closely watched price levels to the lowest since late 2020 as evidence of deepening stress within …

2022-06-18
Crypto hedge fund Three Arrows Capital has hired legal and financial advisers to help work out a solution for its investors and lenders, after suffering heavy losses from a broad market selloff in digital assets, the firm's founders said. via @SerenaNgWSJ https://www.wsj.com/...
2022-06-18 View on X
CoinDesk

Hong Kong-based crypto lender Babel Finance suspends withdrawals and redemptions to “protect the interests of our clients”, citing “unusual liquidity pressures”

Dear Customers, Recently, the crypto market has seen major fluctuations … Muyao Shen / Bloomberg : Crypto Lender Babel Freezes Withdrawals as Industry Pain Spreads Andrew Rummer / ...

Crypto hedge fund Three Arrows Capital has hired legal and financial advisers to help work out a solution for its investors and lenders, after suffering heavy losses from a broad market selloff in digital assets, the firm's founders said. via @SerenaNgWSJ https://www.wsj.com/...
2022-06-18 View on X
Bloomberg

Bitcoin falls by 6%+ to below $20,000 for the first time since December 2020, the twelfth straight day of decline, as ether briefly dropped below $1,000

Bitcoin dropped below $20,000 for the first time since December 2020 as evidence of deepening stress within the crypto industry keeps piling …

2022-06-17
Crypto hedge fund Three Arrows Capital has hired legal and financial advisers to help work out a solution for its investors and lenders, after suffering heavy losses from a broad market selloff in digital assets, the firm's founders said. via @SerenaNgWSJ https://www.wsj.com/...
2022-06-17 View on X
Financial Times

Sources: BlockFi was among the groups that liquidated at least some positions held by Three Arrows Capital, which failed to meet margin calls this past weekend

BlockFi was among a clutch of firms that liquidated the Singapore-based group's positions  —  Three Arrows Capital failed …

Crypto hedge fund Three Arrows Capital has hired legal and financial advisers to help work out a solution for its investors and lenders, after suffering heavy losses from a broad market selloff in digital assets, the firm's founders said. via @SerenaNgWSJ https://www.wsj.com/...
2022-06-17 View on X
Wall Street Journal

Crypto hedge fund Three Arrows Capital is exploring options including asset sales and a rescue by another firm, and says it invested about $200M in Luna

Firm's founders say they still believe in the future of cryptocurrencies  —  Cryptocurrency-focused hedge fund Three Arrows Capital Ltd …