![Ctrl+Space CTF Finals 2025 - RicingStar [Author Writeup]](/posts/ctrl+space-ctf-finals-2025/ricingstar/featured_ricingstar_hu_d1f75e2da6fe4767.png)
Ctrl+Space CTF Finals 2025 - RicingStar [Author Writeup]
·3939 words·19 mins
🌐 Web
Authored
Client-Side
Firefox
Extensions
Writeup for the Ctrl+Space CTF Finals 2025 web client-side Firefox challenge “RicingStar”.
Authored
![HTB Business CTF 2025 - Blockout [Author Writeup]](/posts/htb-businessctf-2025/blockout/featured_blockout_hu_a8e8e2938899f75e.png)
HTB Business CTF 2025 - Blockout [Author Writeup]
·1861 words·9 mins
🔗 Blockchain
Authored
Proxy-Pattern
UUPS
Undergassing
Author writeup for the “Blockout” medium blockchain challenge from HTB Business CTF 2025.
![HTB Business CTF 2025 - Spectral [Author Writeup]](/posts/htb-businessctf-2025/spectral/featured_spectral_hu_63e128e96f793432.png)
HTB Business CTF 2025 - Spectral [Author Writeup]
·1115 words·6 mins
🔗 Blockchain
Authored
Pectra
Tx.origin
Reentrancy
EIP-7702
Author writeup for the “Spectral” easy blockchain challenge from HTB Business CTF 2025.
![HTB Business CTF 2025 - Enlistment [Author Writeup]](/posts/htb-businessctf-2025/enlistment/featured_enlistment_hu_ca8243ed57225b74.png)
HTB Business CTF 2025 - Enlistment [Author Writeup]
·1183 words·6 mins
🔗 Blockchain
Authored
Warmup
EVM
Private-Visibility
Storage
Author writeup for the “Enlistment” very-easy blockchain challenge from HTB Business CTF 2025.
![HTB Cyber Apocalypse 2025 - HeliosDEX [Author Writeup]](/posts/htb-cyberapocalypse-2025/heliosdex/featured_htb_ca25_banner_hu_2dd0a15cf2111f33.png)
HTB Cyber Apocalypse 2025 - HeliosDEX [Author Writeup]
·1704 words·8 mins
🔗 Blockchain
Authored
DEX
Rounding
Unsafe-Arithmetic
Author writeup for the “HeliosDEX” easy blockchain challenge from HTB Cyber Apocalypse 2025.
![HTB Cyber Apocalypse 2025 - Eldorion [Author Writeup]](/posts/htb-cyberapocalypse-2025/eldorion/featured_htb_ca25_banner_hu_2dd0a15cf2111f33.png)
HTB Cyber Apocalypse 2025 - Eldorion [Author Writeup]
·1251 words·6 mins
🔗 Blockchain
Authored
Warmup
Multicall
EIP-7702
Author writeup for the “Eldorion” very-easy blockchain challenge from HTB Cyber Apocalypse 2025.
![HTB Cyber Apocalypse 2025 - EldoriaGate [Author Writeup]](/posts/htb-cyberapocalypse-2025/eldoriagate/featured_htb_ca25_banner_hu_2dd0a15cf2111f33.png)
HTB Cyber Apocalypse 2025 - EldoriaGate [Author Writeup]
·1708 words·9 mins
🔗 Blockchain
Authored
EVM
Yul
Type-Checker
Unsafe-Casting
Private-Visibility
Author writeup for the “EldoriaGate” medium blockchain challenge from HTB Cyber Apocalypse 2025.
![HTB University CTF 2024 - Stargazer [Author Writeup]](/posts/htb-universityctf-2024/stargazer/featured_htbunictf_banner_hu_a9c95b45ac0139cf.png)
HTB University CTF 2024 - Stargazer [Author Writeup]
·3085 words·15 mins
🔗 Blockchain
Authored
Proxy-Pattern
UUPS
ERC-7201
Storage-Collision
Ecrecover
Author writeup for the “Stargazer” hard blockchain challenge from HTB University CTF 2024.
![HTB University CTF 2024 - FrontierMarketplace [Author Writeup]](/posts/htb-universityctf-2024/frontiermarketplace/featured_htbunictf_banner_hu_a9c95b45ac0139cf.png)
HTB University CTF 2024 - FrontierMarketplace [Author Writeup]
·2117 words·10 mins
🔗 Blockchain
Authored
ERC-721
Approvals
Author writeup for the “FrontierMarketplace” medium blockchain challenge from HTB University CTF 2024.
![HTB University CTF 2024 - ForgottenArtifact [Author Writeup]](/posts/htb-universityctf-2024/forgottenartifact/featured_htbunictf_banner_hu_a9c95b45ac0139cf.png)
HTB University CTF 2024 - ForgottenArtifact [Author Writeup]
·1532 words·8 mins
🔗 Blockchain
Authored
EVM
Storage
Author writeup for the “ForgottenArtifact” easy blockchain challenge from HTB University CTF 2024.
![HTB University CTF 2024 - CryoPod [Author Writeup]](/posts/htb-universityctf-2024/cryopod/featured_htbunictf_banner_hu_a9c95b45ac0139cf.png)
HTB University CTF 2024 - CryoPod [Author Writeup]
·1168 words·6 mins
🔗 Blockchain
Authored
Warmup
Events
Author writeup for the “CryoPod” warmup blockchain challenge from HTB University CTF 2024.
![HTB Business CTF 2024 - Brokenswap [Author Writeup]](/posts/htb-businessctf-2024/brokenswap/featured_htb_bizctf_banner_hu_2880434214848629.png)
HTB Business CTF 2024 - Brokenswap [Author Writeup]
·2180 words·11 mins
🔗 Blockchain
Authored
DEX
Access-Control
X*y=k
Author writeup for the “Brokenswap” medium blockchain challenge from HTB Business CTF 2024.
![HTB Business CTF 2024 - MetaVault [Author Writeup]](/posts/htb-businessctf-2024/metavault/featured_htb_bizctf_banner_hu_2880434214848629.png)
HTB Business CTF 2024 - MetaVault [Author Writeup]
·1765 words·9 mins
🔗 Blockchain
Authored
Metadata
IPFS
Author writeup for the “MetaVault” easy blockchain challenge from HTB Business CTF 2024.
![HTB Business CTF 2024 - NotADemocraticElection [Author Writeup]](/posts/htb-businessctf-2024/notademocraticelection/featured_htb_bizctf_banner_hu_2880434214848629.png)
HTB Business CTF 2024 - NotADemocraticElection [Author Writeup]
·973 words·5 mins
🔗 Blockchain
Authored
Signatures
Abi.encodePacked
Author writeup for the “NotADemocraticElection” easy blockchain challenge from HTB Business CTF 2024.
![HTB Business CTF 2024 - Recruitment [Author Writeup]](/posts/htb-businessctf-2024/recruitment/featured_htb_bizctf_banner_hu_2880434214848629.png)
HTB Business CTF 2024 - Recruitment [Author Writeup]
·1071 words·6 mins
🔗 Blockchain
Authored
Warmup
Author writeup for the “Recruitment” very-easy blockchain challenge from HTB Business CTF 2024.
![HTB Cyber Apocalypse 2024 - RussianRoulette [Author Writeup]](/posts/htb-cyberapocalypse-2024/russianroulette/featured_htb_ca2024_banner_hu_51b47bde8e003741.png)
HTB Cyber Apocalypse 2024 - RussianRoulette [Author Writeup]
·735 words·4 mins
🔗 Blockchain
Authored
Warmup
Randomness
Author writeup for the “RussianRoulette” very-easy blockchain challenge from CyberApocalypse CTF 2024.
![HTB Cyber Apocalypse 2024 - Recovery [Author Writeup]](/posts/htb-cyberapocalypse-2024/recovery/featured_htb_ca2024_banner_hu_51b47bde8e003741.png)
HTB Cyber Apocalypse 2024 - Recovery [Author Writeup]
·306 words·2 mins
🔗 Blockchain
Authored
Warmup
Bitcoin
Electrum
Author writeup for the “Recovery” very-easy blockchain challenge from CyberApocalypse CTF 2024.
![HTB Cyber Apocalypse 2024 - LuckyFaucet [Author Writeup]](/posts/htb-cyberapocalypse-2024/luckyfaucet/featured_htb_ca2024_banner_hu_51b47bde8e003741.png)
HTB Cyber Apocalypse 2024 - LuckyFaucet [Author Writeup]
·556 words·3 mins
🔗 Blockchain
Authored
Unsafe-Casting
Integer-Underflow
Author writeup for the “LuckyFaucet” easy blockchain challenge from CyberApocalypse CTF 2024.
![HTB Business CTF 2023 - 2244 ELECTIONS [Author Writeup]](/posts/htb-businessctf-2023/2244_elections/featured_2244_elections_hu_cad7e5aa12a5b63c.png)
HTB Business CTF 2023 - 2244 ELECTIONS [Author Writeup]
·1977 words·10 mins
🔗 Blockchain
🧩 Rev
Authored
EVM
Bytecode
CFG
Backdoor
Author writeup for the “2244 ELECTIONS” medium blockchain challenge from HTB Business CTF 2023.