blockchain

NFTs Under the Hood: Are These Smart Contracts Really That Smart?

NFTs Under the Hood: Are These Smart Contracts Really That Smart?

• Callout

Let's be blunt: the NFT gold rush feels like a distant memory. We witnessed the speculative mania, the million-dollar profile picture NFTs, and the quaint talk of a new decentralized world. Now that the dust has settled, it's time to pull back the curtain and ask a crucial question: are...

NFTs Explained: Beyond the Hype, What Are They Really Good For?

NFTs Explained: Beyond the Hype, What Are They Really Good For?

• Writer's Block

NFTs, aka non-fungible tokens, have been taking the world by storm. Most people associate NFTs with expensive digital art and collectibles. These digital assets hold the potential to transform the economy and every sector on it. Calloutcoin.com explores the exciting and sometimes bizarre world of NFTs. We help separate fact...

NFTs: The Digital Shamrocks Promising Gold But Delivering Leprechaun's Luck?

NFTs: The Digital Shamrocks Promising Gold But Delivering Leprechaun's Luck?

• Callout

We've all heard the tales. The whole country gets a shimmering pot of gold at the end of the rainbow, courtesy of that same devious leprechaun. It's a beautiful story, isn't it? A beacon of opportunity, of overnight wealth, of riding the lucky streak. If we’re being truthful, how many...

Unlocking NFTs A Guide to Non-Fungible Tokens

Unlocking NFTs A Guide to Non-Fungible Tokens

• NFT Standards

Non-fungible tokens, or NFTs, have rapidly become a cornerstone of the cryptocurrency market, achieving prominence in just a few years. Though NFTs exploded into the mainstream consciousness in 2020 and 2021, the roots of the technology actually extend decades in the past. This article explores the history, technology, and impact...

DePIN Security Revolution: Blockchain & Traceable Authentication

DePIN Security Revolution: Blockchain & Traceable Authentication

• Writer's Block

Hello blockchain and crypto enthusiasts! Jason back again, bringing you even more dank insights from Calloutcoin.com. Today, we're diving deep into a critical area for the future of decentralized physical infrastructure networks (DePINs): security. As DePINs expand to maintain more real-world infrastructure, making sure their networks are cyber threats robust...

Blockchain-Based Authentication System Enhances Security for Decentralized Physical Infrastructure Networks

Blockchain-Based Authentication System Enhances Security for Decentralized Physical Infrastructure Networks

• Digital ID

Decentralized Physical Infrastructure Networks (DePINs) are changing the way we think about managing physical infrastructure by combining blockchain technology with decentralized, web-enabled IoT devices. These networks are decentralized and dependent on a web of connected IoT devices. Yet they have unique challenges in securing these qualities of security and accountability....

DePINs' Achilles Heel? How Blockchain Authentication Can Save Infrastructure

DePINs' Achilles Heel? How Blockchain Authentication Can Save Infrastructure

• Callout

Now, picture having that happen, as you awaken, with no electricity. Not in a brief temporary outage, but in a long-extended blackout paralyzing hospitals, blocking transportation, and predisposing communities to disasters. This is not some dystopian fantasy, it’s a present danger. Our increasing dependence on decentralized, physical infrastructure networks, or...

DePIN Authentication: The 3 Smart Contract Secrets That Unlock Scalability

DePIN Authentication: The 3 Smart Contract Secrets That Unlock Scalability

• Callout

The dirty little secret about DePINs though? They’re sitting ducks. All that new decentralized infrastructure, humming away, is ripe for attack as anyone can spoof an admin account and cause chaos. We’re not talking about just theoretical doomsday scenarios – but real-world consequences like compromised energy grids, hijacked sensor networks...

NFT News: Genius or Gimmick? A Tech Deep Dive into the Facebook Group

NFT News: Genius or Gimmick? A Tech Deep Dive into the Facebook Group

• Callout

I know, I know—what could possibly be more interesting than this “What’s Going on Quad Cities” Facebook group turned NFT news hub. 106,000 dogmatic, astroturfed followers strong, it certainly outstrips the reach of the local fish wrap. For all traditional media entities, that’s a gut punch and a warning shot....

iDen2 Bolsters Leadership to Drive Decentralized Digital Identity Innovation

iDen2 Bolsters Leadership to Drive Decentralized Digital Identity Innovation

• Digital ID

iDen2, a San Francisco-based company specializing in decentralized digital identity solutions, announced the addition of three senior leaders to its team on May 13, 2025. These strategic hires, including Marius Scurtescu, Rodolfo Ergueta, and Erika Hakala, reflect iDen2's commitment to building the future of digital identity infrastructure. The company’s mission...

Further Reading

News NFTs? How This Facebook Group is Revolutionizing Local News

For any online journalism venture in the fast-paced digital media environment, sustainability lies in creative thinking. One unexpected player is stepping into the ring with a novel approach: a Facebook group is using Non-Fungible Tokens (NFTs) to publish its articles. This step is more than just a creative publicity stunt....

News NFTs? How This Facebook Group is Revolutionizing Local News

Is This Facebook Group's NFT News Experiment a Stroke of Genius?

Okay, let's address the elephant in the digital room: a Facebook group, "What's Going on Quad Cities," is now more than just a Facebook group. It’s a new website publishing local news through the power of NFTs. And the question everyone's whispering is: Is this brilliant, or bonkers?NFTs and News:...

Is This Facebook Group's NFT News Experiment a Stroke of Genius?

What's Going on QC Leverages AI and NFTs to Deliver Local News

What's Going on QC, a new website founded by Ryan Segura and DeFrieze, is integrating Artificial Intelligence (AI) and Non-Fungible Tokens (NFTs) into its infrastructure to deliver local news. These technologies remain nascent. The founders are sure they offer special possibilities for content creation, verification, and long-term information storage. The...

What's Going on QC Leverages AI and NFTs to Deliver Local News

Secure IT Integration: Vanhaecht's Cloud & DevSecOps Strategy

Knowing that IT services integration is essential today with such a rapidly advancing digital climate. Moreover, Jan Vanhaecht, a leading expert in the field, vigorously champions a more holistic approach to security. He works on Enterprise Security Architecture, cloud smart integration and secure software development disciplines including DevSecOps practices. In...

Secure IT Integration: Vanhaecht's Cloud & DevSecOps Strategy

From GDPR to SWIFT: Vanhaecht's Guide to Compliance

Having to remain compliant with regulations such as GDPR and SWIFT CSP can sometimes be as complicated as a maze. With the right guidance, businesses can find innovative ways to address these challenges while seizing new opportunities to drive growth and build trust. Industry experts, such as Jan Vanhaecht, teach...

From GDPR to SWIFT: Vanhaecht's Guide to Compliance

Is Digital Identity the Key to Rebuilding Trust in Government?

We’ve all been there. Or you’re waiting on hold with a government agency. On the other hand, you’re fighting with an awful website that seems designed to prevent you from finding the information you want. It's infuriating, and frankly, insulting. It erodes our trust in the same places that are...

Is Digital Identity the Key to Rebuilding Trust in Government?

Cyber Transformation: Vanhaecht's Vision for Business Enablement

In today's rapidly evolving digital landscape, cyber transformation has become a critical imperative for organizations across all industries. It's no longer just about protecting data; it's about enabling business growth and innovation while mitigating risks. Jan Vanhaecht is one of the leading voices in this space, urging for a more...

Cyber Transformation: Vanhaecht's Vision for Business Enablement

Zero Trust Ready: Vanhaecht's Blueprint for Secure Digital Future

In the rapidly-changing landscape of digital security, being one step ahead of those who may do you harm is not optional. Deloitte’s Jan Vanhaecht is on the cutting edge, leading organizations in the adoption of a Zero Trust security model. This whole of government approach is intended to safeguard sensitive...

Zero Trust Ready: Vanhaecht's Blueprint for Secure Digital Future