OCO Order

You can place two orders simultaneously by using an OCO (One Cancels the Other) order. A limit order and a stop-limit order are combined, but only one of them can be carried out. This implies that the second order will be immediately canceled as soon as the first is half or completely satisfied. When one of the orders is manually canceled, the other one is also canceled. OCO orders may, however, be utilized in slightly different ways depending on the particular exchange being used. By automating the procedures, the OCO function enables traders to work more securely, allowing them to lock in profits and reduce risk. Although this is a straightforward tool, successful use of it necessitates a solid grasp of limit and stop-limit orders.

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.
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Candidate Block

In a few words, a candidate block is a block that a mining node (miner) is trying to mine in order to receive the block reward. So a candidate block may be described as a temporary block that will be either validated or discarded by the network. Miners compete with each other to validate the next block and add it to the blockchain, but first, they have to create a candidate block to participate in the mining competition.
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Coin

Cryptocurrencies known as coins run on separate blockchains and are unrelated to other coins. Such a cryptocurrency's single unit is also known as a coin.
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