[//]:content-type-MARKDOWN-DONOT-DELETE Gate Learn has released 13 new articles this week ! In the fundamentals section, we introduced [Fully Diluted Market Cap (FDV)](https://www.gate.io/learn/articles/what-is-the-fully-diluted-market-cap/537 "Fully Diluted Market Cap (FDV)"), which calculates the market cap based on the total token supply and serves as an indicator. It's a key concept for each crypto investor. In the Bitcoin category, we mentioned [Bitcoin Cash (BCH)](https://www.gate.io/learn/articles/what-is-bch/544 "Bitcoin Cash (BCH)") and [BTC TwelveFold](https://www.gate.io/learn/articles/what-is-btc-twelvefold/546 "BTC TwelveFold"). BCH is a fork of Bitcoin that aims to increase block size, thereby improving transaction speed and reducing fees. TwelveFold is an BTC NFT project launched by Yuga Labs, with the release of 300 Bitcoin NFTs featuring 3D graphics and hand-drawn elements, the highest reaching 7.11 BTC. In project introductions, including [Akita Inu Coin ($AKITA)](https://www.gate.io/learn/articles/what-is-akita-inu/536 "Akita Inu Coin ($AKITA)"), which emerged during the Doge meme craze in 2021; [Rabbithole](https://www.gate.io/learn/articles/what-is-rabbithole-crypto/539 "Rabbithole"), a task platform that incentivizes users to experience Dapp ; [Celer Network](https://www.gate.io/learn/articles/what-is-celer-network/545 "Celer Network"), a Layer 2 solution focused on cross-chain interoperability; [Pendle Finance](https://www.gate.io/learn/articles/what-is-pendle/547 "Pendle Finance"), which separates interest income into a separate tradable asset, providing fixed-rate yields; [Convex](https://www.gate.io/learn/articles/what-is-gny-crypto/542 "Convex"), built on the Curve protocol, offering stake rewards for CRV and Curve liquidity providers and contributing to the growth of Curve. With the Arbitrum airdrop, [ZkSync](https://www.gate.io/learn/articles/a-guide-to-the-zksync-ecosystem/538 "ZkSync") gained attention. The [zksync ecosystem](https://www.gate.io/learn/articles/a-guide-to-the-zksync-ecosystem/538 "zksync ecosystem") introduces the new mainnet zkSync era, how to bridge, and mentions a few Dapps you can interact with. For more information, visit Gate Learn