Each Ethernaut level requires hacking a smart contract in the Ethereum Virtual Machine through a Web3 and Solidity wargame.
OpenZeppelin vs OpenZeppelin Defender
How do OpenZeppelin and OpenZeppelin Defender compare? Here are the facts side by side: pricing, platforms, open-source status and what each one is for.
| Directory detail | OpenZeppelin | OpenZeppelin Defender |
|---|---|---|
| What it is | OpenZeppelin Contracts provides a library for secure smart contract development. | OpenZeppelin Defender is documented within the official OpenZeppelin library and tools documentation. |
| Website | ||
| Type | Open-source project | Website |
| Topic | ||
| Pricing | Not confirmed | Not confirmed |
| Platforms | Not recorded | Web |
| Open source | Yes | Not stated |
| Language | English | English |
| Alternatives |
Other options to consider
Sites similar to both OpenZeppelin and OpenZeppelin Defender.
Tulipa Capital curates DeFi risk strategies and provides dashboards and partner information for its on-chain finance work.
Anvil runs a local Ethereum node for development and testing, with in-memory execution, funded accounts, instant mining, and chain forking.
3F Mutual offers insurance related to a MakerDAO emergency shutdown, according to its page.
Rekt publishes investigative journalism and commentary on crypto incidents, with a ranked archive of major blockchain losses.
Nexus Mutual offers crypto cover for risks including hacks and describes itself as an alternative to insurance.







