Trezor mnemonic-formed private key is more susceptible to brute force hacking?

Based on my research, I strongly disapprove of mnemonic-formed private keys (the seed words form the private key) because it substantially reduces the amount of private keys that hackers would have to target to guess a real/used address…

Although this may not be an issue at this time considering the amount of processing power it would take to guess private keys formed by mnemonics, but with exponentially increasing processing power, I am still concerned.

I would like 512 bit private keys and mnemonic free (random letter/number formed) to enhance security. Why is this not already being done?

[A ‘Blockchain Bandit’ Is Guessing Private Keys and Scoring Millions | WIRED](

[How I checked over 1 trillion mnemonics in 30 hours to win a bitcoin | by John Cantrell | Medium](

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  1. > **Thermodynamic Limitations**

    > One of the consequences of the second law of thermodynamics is that a certain amount of energy is necessary to represent information. To record a single bit by changing the state of a system requires an amount of energy no less than kT, where T is the absolute temperature of the system and k is the Boltzman constant. (Stick with me; the physics lesson is almost over.)

    > Given that k =1.38·10^(-16) erg/°Kelvin, and that the ambient temperature of the universe is 3.2°K, an ideal computer running at 3.2°K would consume
    4.4·10^(-16) ergs every time it set or cleared a bit. To run a computer any colder than the cosmic background radiation would require extra energy to run a heat pump.
    > Now, the annual energy output of our sun is about 1.21·10^(41) ergs. This is enough to power about 2.7·10^(56) single bit changes on our ideal computer; enough state changes to put a 187-bit counter through all its values. If we built a Dyson sphere around the sun and captured all of its energy for 32 years, without any loss, we could power a computer to count up to 2^(192). Of course, it wouldn’t have the energy left over to perform any useful calculations with this counter.

    > But that’s just one star, and a measly one at that. A typical supernova releases something like 10^(51) ergs. (About a hundred times as much energy would be released in the form of neutrinos, but let them go for now.) If all of this energy could be channeled into a single orgy of computation, a 219-bit counter could be cycled through all of its states.

    > These numbers have nothing to do with the technology of the devices; they are the maximums that thermodynamics will allow. And they strongly imply that
    brute-force attacks against 256-bit keys will be infeasible until computers are
    built from something other than matter and occupy something other than

    > — Applied Cryptography, Bruce Schneier.

    24 word mnemonic contains 256 bits of entropy.

    12 word mnemonic 128, which is still enough to be unbreakable.

    If someone cracks your seed, you had a bad RNG. If you’re paranoid about that, do it manually using casino grade dice:



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