What is OKB? It’s PUMPING late 2025!

Introduced in March 2018, OKB serves as the native utility token for the OKX exchange. When you hold it, you also get access to top-notch crypto projects via the OKX Jumpstart launchpad initiative. Plus, we provide staking rewards on OKB tokens through OKX Earn. The total supply is 300 million. The letters of OKB just

Who is Hal Finney? The First Bitcoin User

Hal Finney was a computer scientist, programmer, and cryptographer, famous for being the first person to receive a Bitcoin transaction from Satoshi Nakamoto. He was the second individual to download the Bitcoin software (after Satoshi) and made numerous early contributions to the project. Finney was a passionate supporter of individual privacy. He actively participated in

What is Bitcoin Sidechain?

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A Bitcoin sidechain is a separate blockchain that operates parallel to the Bitcoin mainnet, allowing for smart contracts, quicker settlements, DeFi apps, and additional features. How Bitcoin Sidechain Works Sidechains function through a “parent-child” dynamic where the main network acts as the parent and the sidechain is the child. The child network depends on the

What is bbSOL?

bbSOL or Bybit Staked SOL is a liquid staking token that you get when you stake SOL on Bybit. It stands for your staked SOL in Bybit’s stake pool and acts as a receipt for you to redeem your SOL later, along with any rewards you’ve earned. How bbSOL Works When you stake SOL, you

What is Optimistic Rollup?

Optimistic rollup is protocol designed to boost transaction output by grouping several transactions into batches that are handled off-chain. Once processed, the transaction data is logged on the main chain using data compression methods that reduce costs and enhance speed. Ethereum states that optimistic rollups can enhance scalability by a factor of 10 to 100.

What is USDT0 (USD₮0)?

USDT0 is a fresh stablecoin that Tether rolled out in January 2025. It’s referred to as the ‘cross-chain bridging version of USDT’ and is designed to tackle the expensive challenges that come with using USDT on various blockchains. Understanding about USDT0 USDT has become the most popular stablecoin globally, acting as a key element in

What is Lightning Network?

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The Lightning Network aims to speed up bitcoin transactions and reduce costs. It belongs to a newer category of crypto tech called “layer 2” blockchains. How the Lightning Network works The Lightning Network utilizes smart contracts to create off-blockchain payment channels between pairs of users. Once these channels are set up, funds can be moved

What is Sound Wallet?

A sound wallet is an innovative method for keeping private keys safe by using sound or audio. This idea includes encoding a private key into a sound file, adding an extra layer of security. You can store this sound file in different formats such as a CD, vinyl record, MP3 file, or even as an

What is Privacy Coin?

A privacy coin is a kind of cryptocurrency that aims to provide better privacy and anonymity for users when they make transactions. Unlike regular cryptocurrencies like Bitcoin or Ethereum—where every transaction is openly logged on a clear blockchain—privacy coins employ sophisticated cryptographic methods to hide transaction details, such as the addresses of the sender and

What is Ledger Recovery Key?

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The Ledger Recovery Key is a physical backup card that lets you keep a copy of your master secret (which is derived from your Secret Recovery Phrase) from your NFC-compatible Ledger Hardware Wallet. We are not advertising Ledger. We are simply writing this article to share information about a new form of security for your