What are the chances that an electrum seed gets bruteforced?

[cellard]

Some people has argued that the seeds in electrum aren't safe, because they could get bruteforced.

What are the chances that this happens?

Some people argued that, if it may not be practically possible to do it out of nowhere, via derivation having certain information, like master public key and some public key addresses and whatnot...

Just how safe it is to store your money in there?

How about Armory's seed in comparative?

I never stored big sums in these wallets because im paranoid the seed could somehow be spawned by an attacker with enough resources and info.

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[ahmad21]

Electrum as far as I know is a BIP39 wallet which uses a 2048 words dictionary while creating these 12 words seeds. The whole dictionary is available here at https://github.com/spesmilo/electrum/blob/master/lib/wordlist/english.txt But even with 2048 words it leaves any user with atleast 2048^12 different variations. Which are quite too much to be solved by any supercomputer in upcoming years or I think decades. Someone, correct me if am wrong but I think even with the checksum there are still a total of 2048^12 variations available.

So if you go with this simple Maths. Yes electrum wallet is quite safe though for at least upcoming few decades.

[Abdussamad]

Electrum doesn't use bip39. It uses the bip39 dictionary but encodes the seed version in the mnemonic so it's not really bip39.

The seed is secure though.

Edit: see here: http://docs.electrum.org/en/latest/seedphrase.html#security-implications

[A1exander]

The chances are infinitesimally small. There was a similar thread recently, with some calculations: https://bitcointalk.org/index.php?topic=2622497.