Phantom, a Solana on-chain crypto wallet, is under scrutiny following allegations by security researcher @CloakdDev about a vulnerability potentially endangering user funds. Phantom has publicly stated that the vulnerability does not threaten user funds and apologized for delayed communication. However, they have not provided technical details or a timeline for countermeasures. Cloakd criticized Phantom's response, urging users to take precautions and consider changing wallets. The incident has raised concerns about the balance between transparency and security among wallet providers, with users seeking advice on asset protection.