Those ~70 bits make a real difference.
They push bruteforcing from “trivial” (MK3) into “painful but still theoretically possible.”
The entropy remains weak, just not catastrophic.
Has anyone actually cracked an MK4 using a seed that was generated on the device itself (not imported)?
npub1j4…ghe65
2026-08-13 14:13:57 UTC
Author Public Key
npub1j4442yrhl9dfnxe68gk6jefachmmmd6a4e4p4t0s7fvck997r6gqkghe65Published at
2026-08-13 14:13:57 UTCEvent JSON
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"pubkey": "956b551077f95a999b3a3a2da9653dc5f7bdb75dae6a1aadf0f2598b14be1e90",
"created_at": 1786630437,
"kind": 1,
"tags": [],
"content": "Those ~70 bits make a real difference. \nThey push bruteforcing from “trivial” (MK3) into “painful but still theoretically possible.”\nThe entropy remains weak, just not catastrophic.\nHas anyone actually cracked an MK4 using a seed that was generated on the device itself (not imported)?",
"sig": "9a8a260270b8a8ac19703cd747921b10419853ab1da872a24ec6e991f60c7188197978911ace8d3ed7dfe5b82182a2b743bfcc91996adf16898c0f844667a184"
}