Your Favorite Open-Source Smart Contract Templates?

Started by BlockHQ, Jul 25, 2025, 09:20 PM

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BlockHQ

Don't reinvent the wheel. Let's share useful templates:
  • ERC-20/721 base contracts?
  • Access control?
  • DeFi functions?

If you have a link to a GitHub repo or audit-ready contract – even better!
🛠 Helping build a better crypto community

where.is.my.mind

For most base cases I still lean on OpenZeppelin — rock solid, well-audited, and actively maintained.

For ERC20 + access control, I usually go:
import "@openzeppelin/contracts/token/ERC20/ERC20.sol";
import "@openzeppelin/contracts/access/Ownable.sol";

If I'm messing with DeFi stuff (LP tokens, farming, etc.), I look at older audited projects like Sushi, Beefy, or Solmate (lightweight and gas-optimized).

Not a fan of copying random GitHub gists unless I know who wrote them. Seen too many copy-paste contracts with backdoors 😬

Bonus tip: check https://eth.build/ — good for visualizing contract logic.

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