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Samuel Bankman-Fried’s poster in downtown San Francisco.

MacKenzie Sigalos | CNBC

Two years ago, Sam Bankman-Fried was a 30-year-old multibillionaire living in a $35 million Bahamas penthouse, partying with his pals while running one of the world’s most valuable crypto companies.

Today, he’s a 32-year-old inmate at the Metropolitan Detention Center in Brooklyn, waiting for a judge to tell him how long he’ll spend behind bars for masterminding “one of the biggest financial frauds in American history,” in the words of U.S. Attorney Damian Williams.

Bankman-Fried, the founder and former CEO of failed crypto exchange FTX, will head on Thursday to a federal court in downtown Manhattan, where U.S. District Judge Lewis Kaplan will deliver his sentencing. Prosecutors have recommended a prison sentence of 40 to 50 years.

It took jurors only about three hours of deliberations in November to find Bankman-Fried guilty of all seven criminal accounts against him. For a high-profile monthlong trial that involved nearly 20 witnesses and hundreds of exhibits, experts said at the time that they’d never seen such a speedy decision. Bankman-Fried plans to appeal his conviction and sentence.

It was a steep and swift fall from grace for Bankman-Fried, who was once hailed as a titan of the industry and had a peak net worth — on paper — of roughly $26 billion.

Indicted FTX founder Sam Bankman-Fried leaves the U.S. Courthouse in New York City, July 26, 2023.

Amr Alfiky | Reuters

Bitcoin arbitrage

It started with the Kimchi Swap.

In 2017, as a quant trader at Jane Street, Bankman-Fried noticed something funny when he looked at bitcoin pricing on CoinMarketCap.com. Instead of a uniform price across exchanges, Bankman-Fried would sometimes see a 60% difference in the value of the digital currency. His immediate instinct, he said, was to get in on the arbitrage trade — buying bitcoin on one exchange and selling it back on another, pocketing the difference.

“That’s the lowest hanging fruit,” Bankman-Fried told CNBC in September 2022.

The arbitrage opportunity was especially compelling in South Korea, where the exchange-listed price of bitcoin was significantly higher than in other countries. It was dubbed the Kimchi Premium, a reference to the traditional Korean side dish of salted and fermented cabbage.

After a month of personally dabbling in the market, Bankman-Fried launched Alameda Research, named after the California county that housed his first office. Bankman-Fried told CNBC that the firm sometimes made as much as a million dollars a day trading bitcoin.

Alameda’s success spurred the launch of FTX. In April 2019, Bankman-Fried co-founded FTX.com, an international cryptocurrency exchange that offered customers innovative trading features, a responsive platform and a reliable experience. FTX’s success led to a $2 billion venture fund that seeded other crypto firms.

The FTX logo soon adorned everything from Formula One race cars to a Miami basketball arena. Bankman-Fried talked about one day buying Goldman Sachs, and he became a fixture in Washington as one of the Democratic Party’s top donors.

Then the market turned.

The so-called crypto winter of 2022 wiped out hedge funds and lenders across the crypto universe. Bankman-Fried boasted that he and his enterprise were immune. Behind the scenes, Alameda was borrowing money to invest in failing digital asset firms to keep the industry afloat.

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Alameda had borrowed from lenders including Voyager Digital and BlockFi, which both ended up going bankrupt. Alameda secured its loans with FTT tokens, minted by FTX. Bankman-Fried’s empire controlled the vast majority of the available currency, with only a small amount of FTT actually circulating at any time.

Alameda marked its entire hoard of FTT at the prevailing market price despite it being a virtually illiquid asset. The fund used the same methodology with other coins as well, including Solana and Serum (a token created and promoted by FTX and Alameda), using them to collateralize billions of dollars in loans. Industry insiders called the tokens “Sam coins.”

Virtual bank run

When faced with margin calls due to falling prices, Bankman-Fried turned to FTX customers’ deposits to the tune of billions of dollars by the middle of 2022. According to the firm’s own bankruptcy filings, it possessed almost nothing in the way of record keeping.

On Nov. 2, 2022, crypto trade site CoinDesk publicized details of Alameda’s balance sheet, which showed $14.6 billion in assets. Over $7 billion of those assets were either FTT tokens or Bankman-Fried-backed coins like Solana or Serum. Another $2 billion worth were locked away in equity investments.

Investors began withdrawing their holdings from FTX, creating the threat of a virtual bank run. Alameda and FTX now both faced a liquidity crunch.

On Nov. 6, four days after the CoinDesk article, Binance founder Changpeng Zhao dropped the hammer. Binance was the first outside investor in FTX in 2019. Two years later, FTX bought back its stake with a combination of FTT and other coins, according to Zhao.

Zhao wrote in tweet that, because of “recent revelations that have came [sic] to light, we have decided to liquidate any remaining FTT on our books.” FTX executives scrambled to contain the damage, and Alameda traders managed to fend off outflows for a couple days.

On Nov. 7, Bankman-Fried tried to show confidence, tweeting, “FTX is fine. Assets are fine.” The post was deleted.

Sam Bankman-Fried, the jailed founder of bankrupt cryptocurrency exchange FTX, is sworn in as he appears in court for the first time since his November fraud conviction, at a courthouse in New York, U.S., February 21, 2024 in this courtroom sketch. 

Jane Rosenberg | Reuters

Internal discussions were different. Bankman-Fried and other executives admitted to each other that “FTX customer funds were irrevocably lost because Alameda had appropriated them.” By Nov. 8, the client shortfall had grown to $8 billion. Bankman-Fried was courting outside investors for a rescue package but found no suitors.

FTX issued a pause on all customer withdrawals that day. FTT’s price plummeted by over 75%. Out of options, Bankman-Fried turned to Zhao, who announced that he’d signed a “non-binding” letter of intent to acquire FTX.com.

But a day later, on Nov. 9, Binance said it wouldn’t go through with the acquisition, citing reports of “mishandled customer funds” and federal investigations.

FTX filed for bankruptcy on Nov. 11, and Bankman-Fried resigned as CEO of FTX and associated entities. He immediately lost 94% of his personal wealth.

Sullivan & Cromwell, FTX’s longtime attorneys, approached John J. Ray, who oversaw Enron through its bankruptcy, to assume Bankman-Fried’s former position.

On Dec. 12, Bankman-Fried was arrested by Bahamian authorities and extradited to the U.S., where he was taken into custody. Federal prosecutors and regulators accused Bankman-Fried of perpetrating a fraud “from the start,” according to a filing from the SEC. 

Bankman-Fried was released on a $250 million bond and was initially living under house arrest with a court-ordered ankle monitor at his parents’ home in Palo Alto, California, on the Stanford University campus. He was soon taken back into custody for alleged witness tampering.

While Bankman-Fried awaited trial, many of his closest friends and confidantes turned into key witnesses for the prosecution, leaving the former crypto billionaire to defend himself. Less than a year after his arrest, the 12-person jury found Bankman-Fried guilty on all criminal charges against him.

— CNBC’s Rohan Goswami contributed to this report.

WATCH: Prosecutors recommend 40-50 year prison sentence for Bankman-Fried

Prosecutors recommend a prison sentence of 40-50 years for Sam Bankman-Fried in FTX fraud

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Fast charging just got sleeker: Delta’s 50kW Wallbox launches in US

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9 hours ago

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April 23, 2025

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Fast charging just got sleeker: Delta's 50kW Wallbox launches in US

Delta 50kW Wallbox
Photo: Delta Electronics

Fremont, California-based Delta Electronics just rolled out a sleek new 50kW DC Wallbox charger that’s designed for tight spaces at ACT Expo 2025.

This charger packs a punch in a surprisingly slim, 10-inch-thick, and lightweight (just 225 pounds!) casing that can be wall-mounted or set up on a pedestal. It’s specifically designed for tight spaces like urban parking lots, busy corporate campuses, or crowded fleet operation hubs.

Delta plans to manufacture these 50kW DC Wallbox chargers in Plano, Texas, keeping it local and supporting the rapid EV infrastructure growth across North America.

A 50 kW charger is at the low end of Level 3 fast charging speed, because you don’t always need to charge your car in 25 minutes. It’s the ideal charging speed for shopping, lunch, or seeing a film. Eng Taing, Delta’s senior VP and GM of energy & telecom Infrastructure, says, “Our focus is on seamlessly integrating high efficiency charging into the diverse scenarios of everyday life, including commercial operations, not just maximizing power output.”

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With a 97% efficiency rate, the Wallbox can juice up two EVs simultaneously using either CCS1 or NACS connectors. Plus, the 23-foot cable makes it easy to accommodate nearly any parking layout, eliminating headaches during installation.

Delta’s vertical integration approach means it handles everything from design to manufacturing. But it doesn’t stop at hardware; the charger also connects to Delta’s IoT platform, offering remote diagnostics, predictive maintenance, and over-the-air updates. That hopefully means fewer disruptions and smoother operations for fleet managers and EV users.

If you live in an area that has frequent natural disaster events, and are interested in making your home more resilient to power outages, consider going solar and adding a battery storage system. To make sure you find a trusted, reliable solar installer near you that offers competitive pricing, check out EnergySage, a free service that makes it easy for you to go solar. They have hundreds of pre-vetted solar installers competing for your business, ensuring you get high quality solutions and save 20-30% compared to going it alone. Plus, it’s free to use and you won’t get sales calls until you select an installer and share your phone number with them.

Your personalized solar quotes are easy to compare online and you’ll get access to unbiased Energy Advisers to help you every step of the way. Get started here. –trusted affiliate link*

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Used EV prices fell 40%, and buyers are searching like never before

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10 hours ago

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April 23, 2025

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Used EV prices fell 40%, and buyers are searching like never before

Used EVs

More car buyers are hunting for used EVs – CarMax says searches filtered by “electric vehicle” have nearly doubled since January 2022.

CarMax saw EV searches surge in March 2022 and again in June 2024. The first spike lined up with the gas price shock after Russia invaded Ukraine, and the second came right as the Biden administration rolled out its $4,000 federal tax credit for used EVs.

The online used car marketplace’s Spring 2025 Electric Vehicle Consumer Report shows just how far used EV prices have tumbled, down over 40% between January 2022 and February 2025. By comparison, prices for gas cars, hybrids, and plug-in hybrids only slipped about 12% over the same period.

For the third year running, the Tesla Model 3 and the Model Y were in the No. 1 and No. 2 slots, respectively, from September 1, 2024, to February 28, 2025. The Chevy Bolt jumped into third place from its previous spot at No. 7 in 2024 and 2023. The Ford F-150 Lightning (7) and the Rivian R1T (10) made the top 10 for the first time, while the Tesla Model S and the Audi e-tron dropped out. The Hyundai Ioniq 5 and Nissan Leaf were at Nos. 5 and 6, and the Volkswagen ID.4 (4), Nissan LEAF (6), and the Ford Mustang Mach-E (9) made the list for the third year in a row.

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What people are trading in

For the first time ever, more people are ditching sedans and coupes for EVs than SUVs. CarMax says sedans and coupes made up 44% of all EV trade-ins, up from 36% in 2024 and just 29% the year before. It’s a clear sign that the EV switch is picking up speed across more than just SUV drivers.

When customers traded in sedans for EVs during this report’s measurement period, the most common EVs they purchased were the Tesla Model 3, Tesla Model Y, and Chevy Bolt EUV. 

The top traded-in model for an EV at CarMax was the Tesla Model 3, and those who traded in a Model 3 usually went for a Model Y. The rest of the top five include the Honda Civic and Accord, the Nissan LEAF, and the Toyota Prius. The Ford F-150 truck, the top trade-in alongside the Accord in the 2024 report, dropped off the list.

Since this is CarMax’s report, it’s of course based on data sourced from its 250 stores across the US. In 2025, Oregon beat California to become the state with the highest percentage of EV sales compared to each state’s total sales at CarMax. California has previously held the top ranking since 2023. 

The West Coast continued to dominate when it came to used EV sales. California and Washington were in second and third place, respectively. Nevada and Arizona were fourth and sixth, while Utah and New Mexico (new to the top 10 list this year) held spots five and seven. On the East Coast, New York (10) appeared on the list for a second time, dropping two spots from No. 8 in 2024. 

The newcomers include Minnesota, which jumped 24 spots in a year to No. 8, and New Jersey, which moved up six slots to No. 9.

To limit power outages and make your home more resilient, consider going solar with a battery storage system. In order to find a trusted, reliable solar installer near you that offers competitive pricing, check out EnergySage, a free service that makes it easy for you to go solar. They have hundreds of pre-vetted solar installers competing for your business, ensuring you get high-quality solutions and save 20-30% compared to going it alone. Plus, it’s free to use and you won’t get sales calls until you select an installer and you share your phone number with them.

Your personalized solar quotes are easy to compare online and you’ll get access to unbiased Energy Advisers to help you every step of the way. Get started here. –trusted affiliate link*

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Heybike Hauler cargo e-bike at new $1,099 low, EcoFlow multi-day power station flash offers from $349, Aiper solar pool skimmer, more

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12 hours ago

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April 23, 2025

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Heybike Hauler cargo e-bike at new ,099 low, EcoFlow multi-day power station flash offers from 9, Aiper solar pool skimmer, more

Headlining today’s Green Deals is Heybike’s Mother’s Day Sale that is taking up to $500 off e-bikes on top of offering some additional free gear, with the brand’s Hauler Cargo e-bike getting brought down to a new $1,099 low, among others. We also have EcoFlow’s final flash offers that will be running for the duration of its Mega Sale through April 15, with notable returning low prices on the RIVER 2 Pro power station, a DELTA Pro 3 solar generator bundle, an EcoCredits purchase opportunity from $1, and more. You can prep for swimming season by grabbing Aiper’s latest Surfer S2 Solar Pool Skimmer while it’s back at its $320 low, as well as gear up for camping and storm cleanup needs with Greenworks’ second-generation 40V 12-inch Cordless Electric Chainsaw at $128. Plus, all the other hangover Green Deals are in the links at the bottom of the page, like yesterday’s exclusive $2,000 in savings on EcoFlow’s DELTA Pro Ultra station at a new low price, and more.

Head below for other New Green Deals we’ve found today and, of course, Electrek’s best EV buying and leasing deals. Also, check out the new Electrek Tesla Shop for the best deals on Tesla accessories.

Heybike’s latest Hauler cargo e-bike with a 440-pound payload for up to 85 miles starts from new $1,099 low

Heybike is launching its Mother’s Day Sale through May 11 with up to $500 taken off initial e-bike prices while also offering free gear along with your purchase. Amongst the bunch, we spotted Heybike bringing its latest Hauler Cargo e-bike down to $1,099 shipped during this sale. Recently, it’s been carrying a full $1,499 price tag since the start of 2025, which we saw drop to $1,199 in February before staying at $1,399 in the sales since. Today’s deal, though, is coming in better than ever as a $400 markdown that takes things to a new all-time low price. You’ll also be getting the bonus of a large rear cargo basket that attaches to the rear rack. Head below for more.

A solid option for folks who are looking for an alternative for errand running over their car, the Heybike Hauler e-bike sports a 750W brushless geared hub motor that reaches a top speed of 28 MPH and can peak at 1,400W for inclines and better pick-up when hauling packages, groceries, and the like. There are two removable battery options here, depending on just how much travelling you plan to do, with a single 18Ah setup for up to 55 miles on a single charge with its PAS levels activated, or you can upgrade with an additional 12.5Ah battery at $300 more to increase its range up to 85 miles.

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Heybike’s Hauler e-bike sports a nice 440-pound payload capacity and even comes with foldable running boards if you end up hauling a passenger along too. And for the price right now, it also offers some solid stock features, like the hydraulic front suspension fork, front and rear hydraulic disc brakes, puncture-protected tires with fenders over each, a 7-speed Shimano derailleur, an LED headlight with an auto-on feature, an integrated taillight with braking functionality, a kickstand, the obvious rear cargo rack, and an LCD for your real-time data and setting controls.

Heybike’s other Mother’s Day Sale offers:

  • Mars 2.0 Folding Fat-Tire e-bike: $999 (Reg. $1,499)
    • 28 MPH for up to 45 miles
    • 1,000W motor (32 MPH speed) costs $100 more
    • comes with free front basket and large basket
  • Ranger S Folding Fat-Tire e-bike: $1,099 (Reg. $1,499)
    • 28 MPH for up to 55 miles
    • 1,000W motor (32 MPH speed) costs $200 more
    • comes with free front basket and large basket
  • Cityrun Urban Commuter e-bike: $1,099 (Reg. $1,599)
    • 21 MPH for up to 55 miles
    • comes with free front basket and large basket
  • Tyson Uni-Body e-bike: $1,399 (Reg. $1,699)
    • 28 MPH for up to 55 miles
    • comes with free large basket
  • Horizon Full-Suspension e-bike: $1,499 (Reg. $1,999)
    • 28 MPH for up to 55 miles
    • comes with free front basket and large basket
  • Brawn Off-Road e-bike: $1,499 (Reg. $1,799)
    • 28 MPH for up to 65 miles
    • comes with free large basket
  • ALPHA All-Terrain e-bike: $1,599 (Reg. $1,699)
    • 28 MPH for up to 60 miles
  • Hero Carbon-Fiber All-Terrain e-bike: $2,499 (Reg. $2,599)
    • 35 MPH for up to 60 miles
    • comes with free large basket
EcoFlow RIVER 2 Pro Portable Power Station

EcoFlow launches multi-day flash offers on DELTA and RIVER power stations + EcoCredits purchase from $1

As we approach the end of EcoFlow’s ongoing Mega Sale through April 25, the brand has launched its last and longest flash sale offers, taking up to 48% off three units while also offering a major EcoCredits purchase opportunity. Alongside the return of the DELTA Pro 3 bundle we saw on Friday, you can now grab the RIVER 2 Pro Portable Power Station for $349 shipped. Normally fetching $599 outside of discounts, we first saw it come down to this rate during similar flash offers in the first phase of this sale. It’s returning as a second-chance opportunity for $250 in savings, giving you a solid traveling companion at the best rate we have tracked. It’s also beating out the pricing we’re seeing from Amazon by $10.

A more ample backup solution among the brand’s RIVER series, the RIVER 2 Pro is ideal for short-term needs at campsites, on road trips, and the like, providing you with a 768Wh LiFePO4 capacity to cover your essential devices and appliances. Through its eight output ports it can deliver up to 1,600W of power, with X-boost tech allowing it to “run 80% of home appliances.” It’s a great option for those who often make last-minute plans too, as plugging it into a wall outlet regains the battery in about 70 minutes, with it also having the options for USB-C and car port recharging, as well as a max 220W solar input, which can put it back at full in 3.5 hours to 4.5 hours in sunny conditions.

EcoFlow’s other flash sale offers ending April 25:

EcoFlow’s massive lineup of Mega Sale deals will only be lasting through April 25, complete with larger EcoCredit rewards, extra savings, and plenty of low prices – don’t miss it while it’s still around!

Aiper Surfer S2 Solar Pool Skimmer

Keep floating debris out of your pool with Aiper’s Surfer S2 solar skimmer back at its $320 low

Through its official Amazon storefront, Aiper is offering its latest Surfer S2 Solar Pool Skimmer for $319.98 shipped. Only on the market for a few months now, it usually carries a $540 price tag, which we first saw drop to this same rate at the top of February, which repeated last month in Amazon’s Big Spring Sale, and has otherwise kept between $340 and $400. You can pick one up while the $220 in savings last for your pool at the lowest price we have tracked, with the price also matching direct from Aiper’s website.

Building upon the success of its predecessor, Aiper’s second-generation Surfer S2 pool skimmer has been upgraded with features like the DebrisGuard anti-leak design, an improved brushless motor, an expanded suction inlet, and a 150-micron filtration system – all to provide better performance when collecting small and large debris alike from your pool’s surface. It’s also been given a larger battery that ramps up its runtime to 35 hours, with recharging available through the onboard solar panel for sunny days or its DC adapter as a backup option.

Working alongside the brand’s algorithms, it’s been equipped with dual dToF sensors to improve its obstacle avoidance – plus, there are even four retractable anti-standing columns to keep it from getting stuck on pool steps as it works. Should the columns fail to impede any such situations, the programming here knows to use its automatic self-rescue capabilities to get it back into the water to continue on its routines. There are the usual smart controls through the companion app that you’d expect, allowing you to monitor and adjust settings with the added bonus of being able to manually steer it.

Be sure to also check out the ongoing discounts across Aiper’s robotic pool cleaners that work right alongside the above pool skimmer to keep your pool clear and swim-ready, as well as the first discount we’re seeing on the new HydroComm 24/7 Smart Pool Monitor that provides 5-in-1 testing for your pool’s pH, ORP, EC, TDS, and temperature, as well as coming solar-powered.

Greenworks 40V 12-inch Cordless Electric Chainsaw

Expand your arsenal with this 2nd-gen Greenworks 40V 12-inch cordless chainsaw at $128

Amazon is offering the 2nd generation Greenworks 40V 12-inch Cordless Compact Chainsaw for $127.99 shipped. Coming down from its usual $170 price tag, discounts have been repeating to this same rate throughout the months since July of last year, with things before then only having gone as low as $120. Today’s deal is a 25% markdown off the going rate, saving you $42 while equipping your arsenal with the latest of the brand’s 12-inch compact chainsaws.

Coming in a more compact form, this 40V Greenworks chainsaw makes a reliable companion for firewood needs at home or while camping, as well as storm cleanup with hurricane season on the horizon. Powered by the included 2.0Ah battery, it sports a 12-inch bar and chain with an auto-oiler to ensure everything remains lubricated and running smoothly, delivering up to 50 cuts on a single charge. It weighs in at just six pounds, making it easy to operate for most users, complete with a safety lock and push-button start to save you time and energy over the frustrations caused by pull-strings.

Other notable Greenworks chainsaw deals:

Best Spring EV deals!

Best new Green Deals landing this week

The savings this week are also continuing to a collection of other markdowns. To the same tune as the offers above, these all help you take a more energy-conscious approach to your routine. Winter means you can lock in even better off-season price cuts on electric tools for the lawn while saving on EVs and tons of other gear.

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