Poseidonweb3cn aims to expose scams and protect users in the Web3 space. It's connected to the Poseidon Presale ecosystem, which focuses on building a community with utility backed by Web3 integration to support marine species. The ecosystem includes staking, lending, NFTs, a music hub (PMH), and PoseidonSwap. It also features the meme coin $POSEIDON, with auto-listing, 0 tax, locked liquidity and security features. The project is actively promoting itself through various channels including CEX listings and marketing bots.