Types of Seed Phrases
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Seed phrases in the space of cryptocurrencies come in three main types: 12, 18, and 24 words. Each word in the phrase is selected from a list () of 2048 different words. Here’s a bit more about each:
12-Word Seed Phrases: This is the most common type of seed phrases. They offer pretty good security and is used by many wallets.
18-Word Seed Phrases: This type provides a higher level of security than 12-word seed phrases. They are are used by some wallets for added security.
24-Word Seed Phrases: This type currently offers the highest level of security. They are usually used by hardware wallets.
The length of the seed phrase directly correlates with the level of security it provides. 12-word seed phrases offer a good level of protection and will be safe for at least the next few years. Longer phrases, like 24-words long, will be safe for the next 20-50 years. However, it also becomes harder to remember and manage. So, it’s important to keep your seed phrase safe and secure!
An extra password, also known as a passphrase, can be added to the seed phrase for additional security. This passphrase acts as a 13th or 25th word and adds an extra layer of encryption to your wallet. It protects your seed phrase from physical attacks and makes it harder for someone to access your wallet.