愈来愈多金融服务想要趁早参与加密货币的大潮流，其中支付服务平台 Square 更有可能会推出「实体比特币钱包」呢。CEO Jack Dorsey 最新一则推文中提到，他们是考虑以软、硬体均为开源的方式来开发实体比特币钱包，与社群共同协作。

Square is considering making a hardware wallet for #bitcoin. If we do it, we would build it entirely in the open, from software to hardware design, and in collaboration with the community. We want