Solidity Security By Example

Smart contract security is one of the biggest impediments to the mass adoption of the blockchain. For this reason, we are proud to present this series of examples regarding Solidity smart contract security to educate and improve the knowledge in this domain to the public.

Disclaimer

The smart contracts in this repository are used to demonstrate vulnerability issues only. Some contracts are vulnerable, some are simplified for minimal, some contain malicious code. Hence, do not use the source code in this repository in your production.

Nonetheless, feel free to contact Valix Consulting for your smart contract consulting and auditing services.🕵

Vulnerability Issues

No.	Vulnerability Issue	Article Links
01	Integer Underflow	- On Medium - On serial-coder.com
02	Reentrancy	- On Medium - On serial-coder.com
03	Reentrancy via Modifier	- On Medium - On serial-coder.com
04	Cross-Function Reentrancy	- On Medium - On serial-coder.com
05	Cross-Contract Reentrancy	- On Medium - On serial-coder.com
06	Integer Overflow	- On Medium - On serial-coder.com
07	Phishing With Improper Authorization	- On Medium - On serial-coder.com
08	Unexpected Ether With Forcibly Sending Ether	- On Medium - On serial-coder.com
09	Denial of Service With Revert	- On Medium - On serial-coder.com
10	Denial of Service With Gas Limit	- On Medium - On serial-coder.com
11	Denial of Service With Induction Variable Overflow	- On Medium - On serial-coder.com
12	Amplification Attack (Double Spending #1)	- On Medium - On serial-coder.com
13	Double Spending #2	- On Medium - On serial-coder.com

Copyright

© 2022 - 2023 serial-coder: Phuwanai Thummavet ([email protected]). All rights reserved.

License

SPDX-License-Identifier: BSL-1.0 (Boost Software License 1.0)