Is Coinmanna a trustable firm to deal with?

https://www.coinmanna.io/

No, Coinmanna is not trustworthy, due to its unlicensed status.

This platform claims to provide financial services in trading forex and other derivatives. However, despite its claims of the US location, it is not registered with the National Futures Association (NFA). This means it is not licensed to provide such investment services in the country. What's more, the Comisión Nacional del Mercado de Valores (CNMV) has issued a warning against Coinmanna, stating that it is in operations in the absence of the required authorization.

Given these circumstances, it is strongly advised against using Coinmanna. To prevent falling victim to potential fraud and identity theft, consider a fully regulated broker instead.