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% v5 r) p7 q8 n4 l7 n3 \5 j! h( V9 S2 {
& l3 |& l |( {1 l
“您的私钥加密了吗?”
2 ^* @* S: _+ \ d“废话,私钥这么重要的东东,当然要加密!”
* W2 B2 O6 ^3 G3 n. |+ s7 g6 P“真的?”
" @7 ]$ _ i, i“确定、一定以及肯定!!!”
/ W& u( P- l; @+ F! \
, h: c, P, r% z其实,这还真不一定。
( c2 T* x: k) Y+ f/ `6 P2 T
! N7 ^" p8 i& T, N7 Y1 z比如说,早期版本的 QT 。+ z( T6 r. t3 \. f5 m5 ?; L9 u& |
再比如,某些钱包解决方案。- W* c' a8 }: @. R
% p/ q& b% X- y4 a8 H6 L# n8 l# ]
的确,按操作系统原理来说,智能手机操作系统( iOS, Android )因其原生的“沙盒”设计,所有应用( App ) 都被限制在“沙盒”中运行、跨应用不能访问数据(比如说,微博不能访问微信的数据,反之亦然),因此,其安全性的确要高于桌面操作系统( Windows, Mac OS, Linux )。
1 Y- a0 ]; h% z! q9 P' A- y2 O9 D. [0 l
但这是不是就意味着手机钱包不需要加密保存私钥了呢?
1 @$ ^6 p Q. B D) l" |8 J5 M6 A- S
NO!3 C* [ K' x1 x6 v% [$ K; G9 ]
我们仍应加密存储私钥,操作系统是操作系统,应用是应用,操作系统层面提供了额外的保护,并不代表应用就可以不去做自己本应做好的保护共护。事关安全,如下比较方法仍然有效:5 |( S- T, l0 A. Q& {* F
加密 > 不加密
- ^. u/ o. s; N+ i5 j) _% K0 I) {
: F/ x; K: ^& C% M* p6 e加了密,即使其他人拿到了您的手机,也花不了您的比特币。
8 \ w* O# |/ Z& q* ]* S. b i加了密,即便是公交车上扒手机的小偷也懂暴力破解,您仍然能有足够的时间从备份恢复,将比特币转移到新地址上。! Y( e! l+ R5 T" }1 d
加了密,把手机接到别人的 USB 线上充个电似乎也没那么可怕了。
/ R$ R+ D5 ]" ?7 S- i( K2 L6 P
4 t. ?* @% f1 q- s6 @, `. [: g. F因此,我们仍应加密保存私钥,就算是像“冷”钱包这样的可以安全的放在家里、物理上保证与黑客隔绝的设备,密码可以简单、不用太长,但有密码还是优于没密码。6 K& q' k2 |% Z1 Q
否则,万一碰到的入室盗窃的小偷,恰好就懂点比特币呢?有密码至少还能多一道防护,至少还能给您一些缓冲时间来在出现特殊事件时,挽救自己的比特币资产。
5 Q: P( }7 U+ Z3 X3 {4 u3 F8 y0 W( [* K: e, f" D! W0 ]! w
所以,还是加密吧!
# X& c& ~! j( E/ R* M% R- t+ Z( |: d* h" W$ U3 T
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方法最后一段话觉得是有道理的,但是在我面前就难以实现,毕竟时运太差了。 |
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