Security about exporting the private keys form the mnemonics

greenaddress / gentle

(G)r(e)e(n)Address.i(t) n(L)ockTim(e) recovery tool

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Security about exporting the private keys form the mnemonics #1

Open rdymac opened 10 years ago

rdymac commented 10 years ago

I've just tried Gentle with expired outputs. Really cool feature. Does exporting the private keys of the mnemonics / BIP32 have any security problem?

Is there any kind of Master Public Key public that could put in danger the entire wallet? How is the Permanent Payment URL works? Is it related to the MPK?