--- title: "Ricardo Leal (@Rlealz) | Hashnode" description: "Cybersecurity | Artificial Intelligence | Blockchain. Read the latest articles by Ricardo Leal on Hashnode." url: "https://hashnode.com/@Rlealz" --- @Rlealz # Ricardo Leal @Rlealz · Lisbon Portugal · Joined October 2023 Cybersecurity | Artificial Intelligence | Blockchain [Website](https://beacons.ai/ricardo_leal_) ### [Brain-Computer Interfaces vs. Genetic Enhancement](https://rlealz.hashnode.dev/brain-computer-interfaces-vs-genetic-enhancement?utm_source=hashnode&utm_medium=feed) Introduction: The Threshold of a New Humanity Imagine a thought seamlessly translating into action on a screen, or a defective gene being edited out of existence before birth. We stand at the precipice of fundamentally altering what it means to be hu... 5 min read · [rlealz.hashnode.dev](https://rlealz.hashnode.dev/brain-computer-interfaces-vs-genetic-enhancement?utm_source=hashnode&utm_medium=feed) [Jun 11, 2025](https://hashnode.com/posts/brain-computer-interfaces-vs-genetic-enhancement/6849f7797a32ce5da97d6da8) ### [Decoding the Evolution: Understanding the 5 Levels of Agentic AI Systems](https://rlealz.hashnode.dev/decoding-the-evolution-understanding-the-5-levels-of-agentic-ai-systems?utm_source=hashnode&utm_medium=feed) Decoding the Evolution: Understanding the 5 Levels of Agentic AI Systems (with Examples) As Artificial Intelligence, propelled by powerful Large Language Models (LLMs), continues its rapid advancement, we're seeing a fundamental shift from basic resp... 4 min read · [rlealz.hashnode.dev](https://rlealz.hashnode.dev/decoding-the-evolution-understanding-the-5-levels-of-agentic-ai-systems?utm_source=hashnode&utm_medium=feed) [Mar 31, 2025](https://hashnode.com/posts/decoding-the-evolution-understanding-the-5-levels-of-agentic-ai-systems/67e9dea998c3e494f95a8557) ### [Beyond Silicon: The Promise and Challenges of Living Computers](https://rlealz.hashnode.dev/beyond-silicon-the-promise-and-challenges-of-living-computers?utm_source=hashnode&utm_medium=feed) The advent of “living computers,” as pioneered by FinalSpark and other research teams, marks a significant milestone in the evolution of computing. From an AI engineer's perspective, the development of biocomputers—specifically those based on brain o... 3 min read · [rlealz.hashnode.dev](https://rlealz.hashnode.dev/beyond-silicon-the-promise-and-challenges-of-living-computers?utm_source=hashnode&utm_medium=feed) [Aug 30, 2024](https://hashnode.com/posts/beyond-silicon-the-promise-and-challenges-of-living-computers/66d10ca7e45f69719bcad22f) ### [Smart Contract Pitfalls: An Exploration of the 5 Most Common Vulnerabilities in 2023](https://rlealz.hashnode.dev/smart-contract-pitfalls-an-exploration-of-the-5-most-common-vulnerabilities-in-2023?utm_source=hashnode&utm_medium=feed) By Ricardo Leal Smart contracts are specialized programs stored on Blockchain Technology that may revolutionize global trade by automating the execution of agreements in a way that is immutable and reliable. However, their security is paramount, as v... 12 min read · [rlealz.hashnode.dev](https://rlealz.hashnode.dev/smart-contract-pitfalls-an-exploration-of-the-5-most-common-vulnerabilities-in-2023?utm_source=hashnode&utm_medium=feed) [Mar 30, 2024](https://hashnode.com/posts/smart-contract-pitfalls-an-exploration-of-the-5-most-common-vulnerabilities-in-2023/660865d6afec5b1df94c4df0) ### [The Pandora's Box of GPT-4: Have We Opened It Already?](https://rlealz.hashnode.dev/gpt-4-language-models-autonomous-cyber-weapons?utm_source=hashnode&utm_medium=feed) Explore the potential risks of GPT-4 language models evolving into autonomous cyber threats. This thought-provoking blog post examines the rapid progress of 3 min read · [rlealz.hashnode.dev](https://rlealz.hashnode.dev/gpt-4-language-models-autonomous-cyber-weapons?utm_source=hashnode&utm_medium=feed) [Mar 9, 2024](https://hashnode.com/posts/gpt-4-language-models-autonomous-cyber-weapons/65ebb1125ad3bcafb1f5e15f)