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Title: split up 24 word recovery phase Post by: justinjja on January 06, 2018, 06:10:15 PM Say I split up my recovery phrase into 3 equal pieces:
traffic wire festival twelve abstract hurdle build water loyal fossil live print bench pet use coil size kingdom matter govern blind fresh mechanic barely (This was just generated as an example, it is empty) Set A) traffic wire festival twelve abstract hurdle build water Set B) loyal fossil live print bench pet use coil Set C) size kingdom matter govern blind fresh mechanic barely Then I stored Sets A and B in gmail ;; traffic wire festival twelve abstract hurdle build water loyal fossil live print bench pet use coil ? ? ? ? ? ? ? ? Sets B and C in a safe ;; ? ? ? ? ? ? ? ? loyal fossil live print bench pet use coil size kingdom matter govern blind fresh mechanic barely Sets A and C in a safety deposit box ;; traffic wire festival twelve abstract hurdle build water ? ? ? ? ? ? ? ? size kingdom matter govern blind fresh mechanic barely How hard would it be for someone to guess the remaining 8 words if they got a hold of 2 sets? I think I saw read that there are 2048 words? so 2048^8= 3 X 10^26? How long would it take to brute force that on a single GTX 1080 TI for example? If it isn't feasible to crack then I like this because: You could lose access to any single of the 3 locations and still have all 24 words Someone could steal any single of the 3 locations, and still not have all 24 words Let me know if this is stupid for some reason. Thanks, Justin Title: Re: split up 24 word recovery phase Post by: Xynerise on January 06, 2018, 08:26:24 PM You're not supposed to store seeds online.
Also, you're needlessly complicating issues. You can write everything down on a paper and store it in an offline location like a safety deposit box. If you want to split your seed, then you wouldn't store it in plaintext, but instead using something like Shamir's Secret Sharing. The website below gives a demo http://point-at-infinity.org/ssss/demo.html |