There is a lot of emphasis and reliance on passwords, notably the private keys which protect our Bitcoin and cryptocurrency wallets from hackers.
In the event that an attacker discovers or compromises our private key, they may acquire control over the funds inside the wallet. The question is how much time is needed for that?
Better Buys just introduced a password checker which we could use to answer our question. We can adjust the years to perceive how swiftly a password could be brute-forced in the past or future.
The Length Of Time Required To Brute Force Bitcoin Private Keys
A Bitcoin private key is fundamentally merely a 256-bit number, which may be delineated as a 64-digit hexadecimal.
Once we type in and enter a number into the application, we will be greeted with an estimated password cracking time. The time illustrates that a Bitcoin private key is practically impracticable to brute
Testing a random key denotes an estimate of an infinite amount of time needed to brute force it.
It is questionable whether the majority of users are actually aware of their private keys. Most wallets will supply us with a seed where we may configure them, thus that we may restore the wallet if anything unfortunate occurs. Such typically comprise a random string of between 12 and 16 words, which we are encouraged to write down and deposit it someplace secure.
We see that it is still impractical to brute force it.
How Long To Brute Force A 4-Digit PIN Protecting A Hardware Wallet?
Even though bitcoin wallets seeds may be written down, our wallets are typically accessible through other methods used by hackers. Software wallets may be located on a computer or phone, secured by a word or passcode. For example, a potential victim’s hardware wallet could be protected by a 4-digit pin which would merely take five milliseconds to brute force.
With regard to passwords, a string of 7 random letters would require less than half a millisecond to brute force. Including a letter increases it to five hours and we ascend rapidly from that point. Hence, it is significantly exceptional to make our passwords longer as it would provide higher security overall. For instance, 12 random letters would require two centuries to brute force successfully using modern technology that is available for use by hackers.
Another approach to enhancing security is to deploy a mixture of upper and lower-case letters, numbers, and unique characters. The phrase “1337pwn” is extremely vulnerable and could be brute-forced successfully in approximately “1 hour: 16 minutes: 38 seconds: 16 jiffies: 2 milliseconds”.
Whereas “1337pwN@” would take approximately one decade to brute force.
Despite the fact that private keys and wallet seeds could be practically undecipherable by the use of brute force, attackers know that the most significant weakness has always been the Bitcoin user.