--- title: "Adewale Iyanuoluwa Isaac (@Blackadam) | Hashnode" description: "Blockchain Security Researcher. Read the latest articles by Adewale Iyanuoluwa Isaac on Hashnode." url: "https://hashnode.com/@Blackadam" --- @Blackadam # Adewale Iyanuoluwa Isaac @Blackadam · Joined September 2021 Blockchain Security Researcher. ### [Optimizing Merge Sort: My Hybrid Approach and Performance Analysis](https://blackadam.hashnode.dev/optimizing-merge-sort-my-hybrid-approach-and-performance-analysis?utm_source=hashnode&utm_medium=feed) I had to study the merge operation in merge sort the( O(n) part ), review a few implementations, and built a hybrid merge sort. Here’s my write-up and code 3 min read · [blackadam.hashnode.dev](https://blackadam.hashnode.dev/optimizing-merge-sort-my-hybrid-approach-and-performance-analysis?utm_source=hashnode&utm_medium=feed) [Nov 25, 2025](https://hashnode.com/posts/optimizing-merge-sort-my-hybrid-approach-and-performance-analysis/69261cf5e96059b8efff5990) ### [Uncovering Cryptocurrency Scam: Fake Smart Contract Trading Bot Videos on Youtube. Part 2](https://blackadam.hashnode.dev/uncovering-cryptocurrency-scam-fake-smart-contract-trading-bot-videos-on-youtube-part-2?utm_source=hashnode&utm_medium=feed) An in-depth look at the on-chain transactions exposing how a YouTuber orchestrated a crypto scam. Follow the money trail and uncover key wallet connections. 2 min read · [blackadam.hashnode.dev](https://blackadam.hashnode.dev/uncovering-cryptocurrency-scam-fake-smart-contract-trading-bot-videos-on-youtube-part-2?utm_source=hashnode&utm_medium=feed) [Mar 11, 2025](https://hashnode.com/posts/uncovering-cryptocurrency-scam-fake-smart-contract-trading-bot-videos-on-youtube-part-2/67d0b8c719a773bbd38642f6) ### [Uncovering Cryptocurrency Scam: Fake Smart Contract Trading Bot Videos on Youtube. Part 1](https://blackadam.hashnode.dev/uncovering-cryptocurrency-scam-fake-smart-contract-trading-bot-videos-on-youtube-part-1?utm_source=hashnode&utm_medium=feed) Discover how a YouTuber set up a deceptive crypto scheme. This article breaks down the red flags and tactics used to mislead investors. 5 min read · [blackadam.hashnode.dev](https://blackadam.hashnode.dev/uncovering-cryptocurrency-scam-fake-smart-contract-trading-bot-videos-on-youtube-part-1?utm_source=hashnode&utm_medium=feed) [Mar 11, 2025](https://hashnode.com/posts/uncovering-cryptocurrency-scam-fake-smart-contract-trading-bot-videos-on-youtube-part-1/67d0b5a4108da330a2143cf6) ### [Understanding why Selfdestruct should not be used in Upgradeable Smart Contracts](https://blackadam.hashnode.dev/understanding-why-selfdestruct-should-not-be-used-in-upgradeable-smart-contracts?utm_source=hashnode&utm_medium=feed) Discover the hidden dangers of using selfdestruct in upgradeable smart contracts. Learn how it can compromise security and break contract logic. 5 min read · [blackadam.hashnode.dev](https://blackadam.hashnode.dev/understanding-why-selfdestruct-should-not-be-used-in-upgradeable-smart-contracts?utm_source=hashnode&utm_medium=feed) [Feb 18, 2025](https://hashnode.com/posts/understanding-why-selfdestruct-should-not-be-used-in-upgradeable-smart-contracts/67b5114bc9f6e8bf6f3b27a0) ### [Why Constructors Cannot Be Used in Implementation Contracts: A Deep Dive](https://blackadam.hashnode.dev/why-constructors-cannot-be-used-in-implementation-contracts-a-deep-dive?utm_source=hashnode&utm_medium=feed) Learn why constructors can't be used in implementation contracts for upgradeable smart contracts, and discover best practices using initializers in Solidity 6 min read · [blackadam.hashnode.dev](https://blackadam.hashnode.dev/why-constructors-cannot-be-used-in-implementation-contracts-a-deep-dive?utm_source=hashnode&utm_medium=feed) [Feb 18, 2025](https://hashnode.com/posts/why-constructors-cannot-be-used-in-implementation-contracts-a-deep-dive/67b5015e8f9a539e35901eaf)