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Double-Spending Flaw Found in Major Bitcoin Wallets

Charlotte Henry ·

Israeli researchers at wallet startup ZenGeo have found a vulnerability affecting at least three major crypto wallets – Ledger Live, Edge, and Breadwallet. The flaw allows hackers to spend Bitcoin more than once,  Coindesk report,Ed.

The bug, which the Tel Aviv-based firm calls BigSpender, allows a hacker to double-spend a user’s funds and possibly prevent them from ever using their wallet again. It works by exploiting how certain wallet’s handle Bitcoin’s replace-by-fee (RBF) function, a failsafe that enables users to swap an unconfirmed transaction with one that has a higher fee. “[BigSpender] can lead to substantial financial losses and in some cases to make the victim’s wallet totally unusable, with no way for the victim to protect themselves,” ZenGo CEO Ouriel Ohayon said in an email. “So this can be seen as a high severity attack.”

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Foxconn Imports Disrupted by India-China Tensions

Charlotte Henry ·

Imports to India by key Apple supplier Foxconn have been slowed as a result of escalating tensions between the country and China. Reuters reported that Apple is amongst the companies seeking to free its shipments.

Customs officers at Indian ports have held back shipments from China and sought additional clearances after deadly clashes at the disputed Himalayan border last month. The checks have been imposed without any formal order. While several companies such as Apple (AAPL.O) and Dell (DELL.N) have been battling to free stuck shipments, hundreds of employees at Taiwanese contract manufacturer Foxconn’s two plants in the south had no major work to do this week as shipments were delayed, sources said.

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macOS Big Sur and the Return of Whimsical Design

Andrew Orr ·

Designer Michael Flarup writes about how macOS Big Sur will bring back “fun in visual design.”

With this approach Apple is legalising a visual design expressiveness that we haven’t seen from them in almost a decade. It’s like a ban has been lifted on fun. This will severely loosen the grip of minimalistic visual design and raise the bar for pixel pushers everywhere. Your glyph on a colored background is about to get some serious visual competition.

I don’t miss pre-iOS 7 skeuomorphism, but I don’t think I’ll mind some of that era’s icons coming back (just without the gloss). I also wonder if we’ll see them on iOS, or just macOS.

TMO Deals

Albaro Air Posture Corrector: $99.95

Bryan Chaffin ·

We have a deal on the Albaro Air Posture Corrector, a device designed to help you improve your posture. It uses a patented ergonomically-designed air pressure cell to fit your unique body, it adjusts the air pressure and creates the most comfortable back support while effectively realigning your balance. The Albaro Air is $99.95 through our deal.

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Imagination Hopes for Closer Relationship With Apple

Charlotte Henry ·

British chip designer Imagination sees the possibility of a closer relationship with Apple, according to its interim CEO. Ray Bingham made the comments in an interview with

The company’s new licensing agreement with Apple “certainly opens the door for more engagement with that company,” interim Chief Executive Officer Ray Bingham said in an interview. They announced in January they’d signed a multi-year license deal giving the Silicon Valley company access to a wide-range of Imagination’s designs. Imagination isn’t allowed to discuss its relationship with Apple beyond saying the Cupertino, California-based company is a licensee, but news that the computer maker is planning to start making more of its own chips doesn’t affect “our relationship with Apple in any negative way,” Bingham said.

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Spotify Duo Launches in U.S. And Apple Music May Follow Suit

Charlotte Henry ·

Spotify launched its Premium Duo option in the U.S., UK, and other countries on Wednesday. It means a couple or two flatmates can each have a premium account for a total of $12.99 per month. That’s a $2 a month reduction on the family bundle. As 9to5 Mac notes, Apple Music tends to not be so far behind in making such moves.

In addition to each getting individual premium accounts, Spotify says Duo also gives you a joint playlist selected by Spotify on the basis of your joint tastes…. The Duo Mix allows you to choose between Chill and Upbeat playlists, and you can also opt to filter out explicit songs. You can check whether your country is included by visiting spotify.com/duo. Historically, Apple Music and Spotify have mirrored each other’s membership types, so it is at least possible that Apple will choose to offer a similar account for couples.