A conditional order to buy or sell a large number of assets in smaller, predefined quantities in order to disguise the total order quantity is known as an "Iceberg Order."
Ransomware
Ransomware is a type of malware (malicious software) that has the final goal of convincing victims to pay for a decryption ransom in order to recover their compromised files or system. The payments are normally asked in digital currencies that are difficult to be traced, such as Bitcoin, Monero, or any other cryptocurrency.
Ad Hoc
a Latin expression that means "for this purpose" or "specifically for this" in contemporary English.
Falling Knife
The term falling knife (also known as "Catching a Falling Knife" or "Catching the Bottoms") refers to the action of buying an asset which is rapidly declining in price.