深圳源中瑞区块链钱包开发及介绍

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引言
“钱包”,大家都不陌生,因为我们每个人身上都会带一个钱包,里面存放了一些钱,一些证件,钥匙等等。而“区块链钱包”可能有些人就不是那么了解了。下边,我们就来介绍介绍区块链的钱包。

定义
首先说明一点,这是我自己的定义。我觉着可以把区块链钱包当做是一个银行账户系统,它管理着你的在区块链上的资产,并且可以实现查看余额,转账,收账功,查看交易记录功能,而钱包应用就相当于银行的客户端,来实现钱包的具体功能。你的私钥就相当于银行账户的密码,你的地址就相当于银行的银行卡号。

钱包分类
根据管理私钥的方式,大致分为,冷钱包,热钱包,软钱包,硬件钱包

冷钱包
冷钱包就是,你把你的私钥,写在纸上,或者打印成二维码在纸上,或者记在你脑袋里,这类钱包一般就是为了安全保存私钥的,他不具备钱包的其它任何功能
热钱包
热钱包就是,不是自己保管自己的私钥,而是钱包的开发者把私钥保存在服务器端,你所有的钱包操作都要经过服务器操作,这种钱包,等于是把自己的资产完全交给了别人,所以是最不安全的钱包,很少有人会用这种钱包

软钱包
软钱包就是私钥保存在客户端本地,而不是保存在服务端,用户可以管理自己的私钥,相对于热钱包安全很多。软钱包又分为“全节点钱包”和“轻钱包”。

“全节点钱包”一般是钱包官方提供的钱包软件,它会把节点数据全部同步到本地,所以会花费很长时间同步数据,并且会占用很大的硬盘存储空间,所以对于个人用户来说,使用起来还是比较繁琐的,也就是说不适合个人用户使用

“轻钱包”是指不同步节点,转账使用离线签名,然后经过服务端节点广播出去,它的私钥也是保存的客户端本地的,用户可以自己管理,并且可以在手机这种移动端设备使用,所以现在最流行的就是这种“软钱包”,接下来的一系列文章也基本都是关于“轻钱包”开发的

硬件钱包
硬件钱包,是指带有简单嵌入式系统的硬件设备,通过USB链接电脑,可以在硬件设备上进行创建私钥和地址的操作,并且离线签名也是硬件操作的,硬件管理着你的私钥。这是目前最安全的钱包,但是价格比较贵一些,市面上比较流行的硬件钱包大概为:TREZOR,Ledger,Keepkey,库神等,感兴趣的可以网上搜一下

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