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Understanding Web Accessibility Color Contrast Guidelines and Ratios


What should you do when you get a complaint about the color contrast in your web design? It might seem perfectly fine to you because you’re able to read content throughout the site, but to someone else, it might be a totally different experience. How can put yourself in that person’s shoes...

84 PBOC Digital Currency Patents Show the Extent of China’s Digital Yuan


The People’s Bank of China (PBOC) has reportedly filed 84 patents relating to its plans to launch a digital currency. The patents reveal the central bank’s plans which include integrating digital currency wallets into existing retail bank accounts. The potential for the Chinese central...

Developer Adds Improvements to the Bitcoin Cash Java Library


On January 30, the software developer Pokkst published a blog post sharing his experience of how he’s been maintaining the Java BCH library bitcoincashj for the last 10 months. At one time Pokkst used to develop BTC applications, but then switched to working with BCH in March 2019....

Sticky Table of Contents with Scrolling Active States


Say you have a two-column layout: a main column with content. Say it has a lot of content, with sections that requires scrolling. And let's toss in a sidebar column that is largely empty, such that you can safely put a position: sticky; table of contents over there for all that content in the main...

“Browser Functions”


Serverless functions are fairly straightforward. Put a bit of back-end language code, like Node, in the cloud and communicate with it via URL. But what if that URL didn't run a back-end language, it ran an actual browser? Richard Young: We can now do full stack development using just Web APIs....

Thinking Through Styling Options for Web Components


Where do you put styles in web components? I'm assuming that we're using the Shadow DOM here as, to me, that's one of the big draws of a web component: a platform thing that is a uniquely powerful thing the platform can do. So this is about defining styles for a web component in a don't-leak-out...

Bitcoin History Part 23: The First BTC Escrow


Before the emergence of crypto exchanges and trustless multi-sig, early bitcoiners saw the need for an escrow service – a mediator to act as a go-between for strangers transacting online. Given the panoply of options now available, it is strange to think that escrow was once provided by a...

Proof of Keys Day Returns on Bitcoin’s 11th Birthday


Last year’s inaugural Proof of Keys day didn’t see massive amounts of bitcoin withdrawn judging by onchain data – but it did serve to educate a community. Trace Mayer’s call to arms also put exchanges on notice, with some disabling withdrawals, citing unscheduled...

A Recap of Frontend Development in 2019


I noted Trey Huffine’s 2018 version of this article in The Great Divide. To put a point on this divide a bit more, consider this article by Trey Huffine, "A Recap of Frontend Development in 2018." It's very well done! It points to big moments this year, shows interesting data, and makes...

A Recap of Frontend Development in 2019


I noted Trey Huffine’s 2018 version of this article in The Great Divide. To put a point on this divide a bit more, consider this article by Trey Huffine, "A Recap of Frontend Development in 2018." It's very well done! It points to big moments this year, shows interesting data, and makes...

Clips from my DEV AMA


I recently did an AMA over on DEV. Just taking the opportunity to port over some answers here like a good indiewebber. If you were starting out as a front end dev in 2020, what would you say is the first thing you would learn and why? You need to put yourself in a position where it's your job...

European Central Bank’s CBDC Borrows Bitcoin’s Pseudo-Anonymity


On December 17, the European Central Bank (ECB) published a report that showcased its blockchain technology proof-of-concept. One particular feature the central bank digital chain holds is the ability to issue “anonymity vouchers.” Also read: Lagarde Sees Demand for Stablecoins, Plans...

IRS Now Requires Tax Filers to Disclose Crypto Activities


The U.S. Internal Revenue Service (IRS) has finalized and put in use a new tax form that requires crypto owners to declare whether they received, bought, sold, exchanged, or acquired any cryptocurrencies in 2019. Tax experts are frustrated at the vagueness of the tax agency, with some questioning...

How the Upcoming Bitcoin Halving Compares to Previous Cycles


For those standing very close to the crypto charts, it might be easy to get discouraged by the gloomy nature of recent markets. However, new comparisons of the current halving cycle to those in the past have emerged and might put some wind back into the sails of traders, hodlers, and cryptocurrency...

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