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John o'sullivan

John O'Sullivan

John O'Sullivan is a passionate crypto advocate and market strategist from Australia. With years of experience in investment banking, he brings a unique financial perspective to the cryptocurrency market. His writings aim to guide both new and seasoned investors.

Graphic showing different tiers of the Wealth Club loyalty program with rewards icons
Exploring the New Wealth Club Loyalty Tiers for Users

Uncover the details about the Wealth Club loyalty tiers on the US site. Is it different from Nexo’s global program? Find out! 💰🌎

John O'Sullivan

February 21, 2026 at 03:58 PM

A worried individual looking at a computer screen displaying a cryptocurrency exchange, with a notification about fund verification.
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Trust Issues: Why You Shouldn't Keep Funds in Exchanges

🚫 Concerned about your crypto funds? A user reveals how their experience with OKX raised serious questions about trust in centralized exchanges. Warning ahead! ⚠️

John O'Sullivan

February 21, 2026 at 02:54 PM

Chart showing the sharp decline of TRMP's value from $1,000 to $220, illustrating the financial loss investors are facing.
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Investors Shocked: TRMP Drops from $1,000 to $220

📉 Discover the shocking fall of TRMP's value from $1,000 last year to just $220 today, leaving investors reeling. What happened to this token? 💸

John O'Sullivan

February 20, 2026 at 02:29 PM

An illustration showing a broken smart contract with code lines and warning signs, highlighting security issues from vibe coding practices.
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Security measures
The Risks of Vibe Coding: A Smart Contract Exploited

John O'Sullivan

February 19, 2026 at 09:15 AM

Chainlink logo with TikTok logo background in a vibrant setting
News updates
Chainlink Joins TikTok to Boost Popularity

John O'Sullivan

February 19, 2026 at 04:05 AM