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 F Firmware Frenzy A mystery with clues in pictures, solve it to get a promotion. by selfmade ✓ · challenge · builds on install Hardware & Firmware P Proxy Pipeline Break the encrypted communication, identify the culprits and stop their illegal operations by selfmade ✓ · challenge · ready CryptographySteganographyDisk & Filesystem R RTOS Lab for Zephyr The Zephyr® Project strives to deliver the best-in-class RTOS for connected resource-const by selfmade ✓ · app · ready Embedded & FirmwareInternet of ThingsHardware & Electronics T The Uraiyur Manuscript Recover the old, damaged palm-leaf manuscript to decode the ancient history embedded withi by selfmade ✓ · challenge · ready Disk & FilesystemCryptography U U-Boot Lab U-Boot is an open-source bootloader used in embedded systems to initialize hardware and lo by selfmade ✓ · app · ready Embedded & FirmwareHardware & ElectronicsIDE & Code Server