# Well-known Trivial Private Keys ## All-zero key ### 12-word variant This is [a well-known BIP39 example mnemonic](https://github.com/trezor/python-mnemonic/blob/b57a5ad77a981e743f4167ab2f7927a55c1e82a8/vectors.json#L4-L7) used for testing in different wallet software. Some PRNGs can also generate this key naturally at special edge case positions, such as seed index 0 (with or without `mod 2147483647`) if not avoided properly. | PRNG seed id | Mnemonic | | - | - | |`2147483647`|`abandon abandon abandon abandon abandon abandon abandon abandon abandon abandon abandon about`| ### 24-word variant See the 12-word variant for context. Associated addresses (excerpt): ``` 1KBdbBJRVYffWHWWZ1moECfdVBSEnDpLHi bc1qzmtrqsfuaf6l6kkcsseumq26ukaphfj9skkug6 ```