There's to many to cover here but it's mostly stock market lingo mixed with memes.
HODL - Hold but spelled wrong, sometimes used by financial institutions as "hold on for dear life."
Diversify - Spreading your money out over a number of assets to mitigate losses if some of them fail.
FOMO - Fear of missing out.
Lambo money - Big profits.
51% attack - A single entity that accounts for more than half of mining operations on a network, giving them the power to manipulate transactions.
$5 wrench attack - Strong armed robbery as a means to acquire access to one's crypto accounts.
Altcoin - Anything besides bitcoin.
Privacy coin - Untraceable crypto.
Shit coin - Any cryptocurrency that's likely a scam or is a bad long term hold (hyperinflationary).
Stable coin - A crypto backed by a real world asset, fiat or not, and is locked into a 1:1 valuation with the asset. (Gold, USD, Euro, etc.)
Defi - Decentralized finance.
Dex - Decentralized exchange.
Dapps - Decentralized applications.
Cold storage - A crypto wallet that doesn't interact with the internet.
Pump - When an event occurs that causes significant short term increases in price.
Dump - Sell.
Gas - The cost and resource for transfers, usually referring to the Ethereum network.
Proof of work - Using a computer to guess the answer to a math problem. The faster your hardware, the more guesses you can make. Success creates new crypto used as a reward.
Proof of stake - Rewards are created and distributed based on a user delegating crypto resources to the network for a period of time. Slightly similar to a savings/retirement account.
Mining pool - The organization of multiple miners to combine their computing power to make guesses. Rewards are distributed to miners based on their contribution.
Staking pool - The organization of multiple investors to combine their crypto wealth into one account and share the % based rewards based on their contribution.
There's a lot more but you pick them up as you go.
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