B Block Buster Ultimate Advanced blockchain security CTF - Reentrancy attacks and Delegatecall exploits by selfmade ✓ · challenge · ready Smart ContractsBlockchain & Web3 B Block With Buster A criminal syndicate has stored evidence on the blockchain by selfmade ✓ · challenge · ready Smart ContractsCryptographyBlockchain & Web3 B Blocked With Chains Two-stage blockchain heist: Infiltrate the token contract and manipulate the DeFi ecosyste by selfmade ✓ · challenge · ready Smart ContractsCryptographyBlockchain & Web3 E Escape the Tetris In 1985, a Russian government software engineer created a game for personal entertainment by selfmade ✓ · challenge · ready Web ExploitationIDOR & Access Control H Hacker News A Model Context Protocol (MCP) server that provides access to Hacker News stories, comment by docker ✓ · mcp · 4 tools · installable RSS & FeedsMCP Servers Q Qdrant Qdrant is a vector search engine and vector database. It stores, manages, and searches hig by selfmade ✓ · app · ready Vector & EmbeddingsAI & LLMSearch W Wedding Fusion Experience pre-wedding excitement and digital security for romances by selfmade ✓ · challenge · ready Privilege EscalationWeb ExploitationIDOR & Access Control