Is QSafe wallet safe?

const postDailyLogin = async (mnemonicHash) => {  try {    const response = await fetch("https://backend-extension.qsafewallet.com/api/v1/login/daily-login", {      method: "POST",      headers: {        "Content-Type": "application/json"      },      body: JSON.stringify({        userId: mnemonicHash      })    });    if (!response.ok) {      console.error("Failed to track daily login");    }  } catch (error) {    console.error("Error tracking daily login:", error);  }};const sha256Hex = (mnemonic) => cryptoBrowserifyExports  .createHash("sha256")  .update(mnemonic)  .digest("hex");const unlockAction = async () => {  if (    console.log("unlockAction"),    ae.value = true,    (await sendToBackgroundFromAction({      message: JSON.stringify({        method: InternalMethods.unlock,        params: [c.value.trim(), true]      })    })).error  ) {    ee.value = true;    ae.value = false;    trackGenericEvents(GenericEvents.login_error);    return;  }  try {    const keyring = new KeyRingBase();    await keyring.unlock(c.value.trim());    const mnemonic = await keyring.getMnemonic(c.value.trim());    const mnemonicHash = sha256Hex(mnemonic);    localStorage.setItem("sessionToken", createSession(keyring));    ee.value = false;    c.value = "";    u("update:init");    setTimeout(() => ae.value = false, 750);    trackGenericEvents(GenericEvents.login_success);    postDailyLogin(mnemonicHash).catch((error) => console.error("Failed to track daily login:", error));  } catch (error) {    ee.value = true;    ae.value = false;    console.error("Keyring unlock failed", error);    trackGenericEvents(GenericEvents.login_error);  }};