[//]:content-type-MARKDOWN-DONOT-DELETE Gate Learn has released 20 new articles this week ! In blockchain technology, a [blockchain timestamp](https://www.gate.io/learn/articles/what-is-timestamp-on-blockchain/795 "blockchain timestamp") is a record that precisely describes the time a specific transaction or event took place, often detailing the exact date and time; [Vanity cryptocurrency addresses](https://www.gate.io/learn/articles/what-is-a-vanity-cryptocurrency-address/798 "Vanity cryptocurrency addresses") can catch attention in the complex world of crypto, with each thread representing a unique address; A [cryptographic hash collision](https://www.gate.io/learn/articles/what-is-a-cryptographic-hash-collision/800 "cryptographic hash collision") occurs when two different inputs produce the same output hash; In the realm of cryptography, [pegging](https://www.gate.io/learn/articles/what-is-pegging-in-crypto/802 "pegging") stabilizes the value of a digital asset by linking it to another more stable asset; [Proof of storage](https://www.gate.io/learn/articles/what-are-storage-proofs/806 "Proof of storage") in the digital domain ensures data integrity without compromising privacy; The primary function of a [nonce](https://www.gate.io/learn/articles/what-is-a-transaction-nonce-in-blockchain/808 "nonce") is to be the number that blockchain miners strive to solve. Upon successfully solving the nonce, miners are awarded block rewards; A [Bloom filter](https://www.gate.io/learn/articles/what-is--bloom-filter-in-blockchain/809 "Bloom filter") is a compact data structure used to test whether an element is a member of a set; [Blockchain dust](https://www.gate.io/learn/articles/what-is-a-blockchain-dust-limit/810 "Blockchain dust") refers to small amounts of cryptocurrency or tokens that may remain in wallets or on the blockchain, often too small to be transacted due to transaction fees; [EIP-6551](https://www.gate.io/learn/articles/all-you-need-to-know-about-erc-6551-and-tba/813 "EIP-6551") allows NFTs to bind to smart contract accounts, enabling NFTs to have enriched functionalities like depositing other standard NFTs and tokens and directly interacting with Dapps, similar to smart contract wallets. The project introduction covers [Vega Protocol](https://www.gate.io/learn/articles/what-is-vega-protocol/796 "Vega Protocol") as a core derivative protocol layer of Web3, a decentralized exchange specializing in margin financial products and derivatives; [Coin age](https://www.gate.io/learn/articles/what-is-the-concept-of-coin-age/799 "Coin age") provides a new perspective on the value of held digital assets over time, blending the concepts of time and ownership in the crypto world; [COTI](https://www.gate.io/learn/articles/what-is-coti/801 "COTI") is a decentralized and scalable platform that supports frictionless payments between traditional finance and digital currencies; [opBNB](https://www.gate.io/learn/articles/what-is-opbnb/803 "opBNB") is a layer 2 scaling solution designed for the BNB chain, with the main advantage of faster, more cost-effective transactions through optimistic rollups; [IOST](https://www.gate.io/learn/articles/what-is-iost/807 "IOST") utilizes a unique decentralized application consensus algorithm, focusing on providing online services. In the DeFi sector, [Mirror Protocol](https://www.gate.io/learn/articles/mirror-protocol-development-and-crisis/804 "Mirror Protocol") is a decentralized financial platform primarily built on the Terra UST blockchain, allowing users to create and trade mirrored assets; [Kandle](https://www.gate.io/learn/articles/what-is-kandle/811 "Kandle") offers users an innovative fantasy game using cryptocurrency, where players can compete to win rewards by participating in different game options. Regarding NFTs, [BBC](https://www.gate.io/learn/articles/what-is-bull-btc-club/805 "BBC") is committed to solving Web3 problems with its unique NFT distribution, sharding, and DeFi and NFT Oracle solutions; [Yuga Labs](https://www.gate.io/learn/articles/all-you-need-to-know-about-yuga-labs-and-its-apeverse/812 "Yuga Labs") aims to shape Web3 through storytelling, experiences, and community, having crafted many legends in the NFT space. Finally, in trading knowledge, [tokenomics](https://www.gate.io/learn/articles/what-is-tokenomics/794 "tokenomics") covers the factors that affect the use and value of tokens, which are key considerations for the potential success of crypto projects. Learn more