If someone loses their crypto wallet's recovery phrase or PIN, the ability to recover the wallet depends on several factors:

1. Type of Wallet: Some cryptocurrency wallets, especially hardware wallets like Ledger or Trezor, provide a recovery seed phrase (also known as a recovery seed or mnemonic phrase) that allows users to restore access to their wallet in case of loss or damage. In such cases, if the recovery seed phrase is lost, it may be possible to recover the wallet using specific recovery procedures provided by the wallet manufacturer.
2. Centralized Exchanges: If the cryptocurrency is stored on a centralized exchange, the user may be able to recover access to their account by following the exchange's account recovery process. This typically involves providing identity verification documents and answering security questions to prove ownership of the account.
3. Decentralized Wallets: For decentralized wallets where users have full control over their private keys, such as software wallets or non-custodial wallets, losing the recovery phrase or PIN may result in permanent loss of access to the wallet and its funds. In such cases, there is typically no centralized authority or customer support to assist with recovery.
4. Backup Methods: It's crucial for cryptocurrency users to follow best practices for backup and security, including securely storing recovery seed phrases or PINs in multiple physical locations or using encrypted digital backup methods. Having redundant backups can help mitigate the risk of permanent loss due to loss or damage of a single backup.

In summary, whether it's possible to crypto wallet recovery after losing the recovery phrase or PIN depends on the specific circumstances and type of wallet involved. Users should carefully consider backup and security measures to prevent the loss of access to their cryptocurrency funds.