Cyfrin UpdraftA free route into auditing.
Free, self-paced auditing with multiple security instructors.
- Format
- Self-paced videos and written lessons
- Practice
- Guided audits, quizzes and testing
- Cost
- Security course: free
Cyfrin Updraft
SCHFind the course that
makes it click.
Free audit training with Cyfrin. Exploit-focused training with JohnnyTime. Try SCH and find your fit.
Try SCH free.
25 lessons and 4 exploit labs.
Request received
Access instructions will arrive by email within 2-3 business days.
We review requests and email access within 2-3 business days. No payment required.
Cyfrin UpdraftSmart Contract HackingLearn by building the exploit.
JohnnyTime’s teaching. Hands-on exploits. Your schedule.
- Format
- Self-paced lessons by JohnnyTime
- Practice
- Solidity exploit labs in Hardhat or Foundry
- Cost
- Free sample. Full course sold separately.
See how you learn with SCH
Try an exploit lab.
Inside an exploitSolidity
- 01Read
- 02Exploit
- 03Fix
Smart Contract Hacking founder
Do I need to switch courses?
No. Use the free SCH lessons alongside what you’re already learning. You can decide whether to buy the full course after trying the teaching style.
What experience do I need?
Basic programming knowledge helps. If Solidity is new to you, learn its fundamentals before tackling the exploit labs.
Is the full SCH course free?
No. This is a free sample of 25 lessons and 4 labs. The full course is a separate purchase.