Set complex passwords, regularly back up private keys, use multi-signatures, etc. The high risk of Pulse Club refers to the risk of the account. Necessary safeguards can be taken to reduce the risk. For example, setting a complex password can make the password more difficult and difficult to crack. Regularly backing up the private key can keep the password on file. Easy to retrieve if forgotten. Cryptographical security can be strengthened using multi-signatures. This can solve the problem of high risk in taking pulse.