LUKSO introduced new blockchain standards to address issues with existing ERCs, such as token/NFT approval security, limited metadata, lack of interoperability (ERC677, ERC777 and ERC1155 use each different callback hook functions to notify on token transfer), and requiring users to acquire native token upfront to pay for transaction fess (gas). LSP standards include features like universalReceiver (LSP1) for notifications, flexible metadata (ERC725Y), secure permissions management (LSP6 Key Manager), and gasless transactions (LSP25 Execute Relay Call) for easier user onboarding.

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LUKSO was created as a Layer 1 to establish its own ecosystem, community, and applications, rather than building on Ethereum's congested standards. Being an EVM-based blockchain (same technology as Ethereum, unmodified), LUKSO supports any Ethereum tools, enabling developers to easily build and port applications between the two networks.

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The LSP standards offer various advantages for various use cases. This includes storing various form of data on Universal Profiles (e.g: user settings from a dApp, list of received assets, list of creators of a digital asset, followers, etc), sending gas-less transactions, fine-grained permissions management. These allow to build user-centric web3 applications that offer a better experience to users.

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Compared to the Ethereum ERC Standards, the LUKSO LSP Standards are (1) more secure, (2) more flexible and interoperable, (3) more developer friendly, (4) focused on creating user-centric applications with an improved user experience for getting started interacting with web3.

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Any form of dApps and protocols can be built using the LUKSO standards! From governance and DAO toolings to Tokens and complex NFT collections as well as recovery services.

A Universal Profile is a smart account with all the features of a traditional wallet like Metamask, but more user-friendly and designed for non-technical users. It eliminates the need for managing private keys, paying gas, or verifying opaque transactions before confirming them. It also offers advanced features like fine-grained permissions for multi-device control.

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Like any other web3 wallet using methods like EIP-6963, injected provider or multi-providers). Check our tutorial for details on how to connect a UP to a dApp or using Sign-in with Ethereum.

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A Universal Profile can store unlimited data of any type, such as assets, profile details (biography, profile and cover picture, website and social links), followers, permissions, dApp settings, favorite music, communities and more. You can customize it to store and retrieve anything you could potentially imagine.

You can fetch data from a Universal Profile using (a) the getData function on the Universal Profile smart contract and decode the value, or (b) the easier-to-use libraries like erc725.js or lsp-utils.js which will do all the decoding for you.

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Either via (a) the UP Browser extension, (b) a dApp with this functionality, or (c) programmatically via a script (see our guide below).

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If you created your UP via universaleverything.io, the UP in your browser extension automatically allows you to send gas-free transactions. Otherwise, see our relayer API documentation to learn how to send transactions to our relayer who will dispatch the transaction and pay for the gas.

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3 ways: (1) via the UP Browser Extension (easy 🌶️), (2) via the relayer API (intermediate 🌶️🌶️), (3) or via the LSP23 Universal Factory (advanced 🌶️🌶️🌶️).

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Users can transfer tokens or NFTs using a dApp like universaleverything.io. For developers, call the `transfer` function on the token or NFT contract. Note that since LUKSO is fully EVM-compatible, transferring tokens / NFTs can be done by any wallet connected to the LUKSO network, by interacting with the token contract. It does not necessarily need to be done by a Universal Profile.

Either by (1) using the `getData(bytes32)` function with the `LSP4Metadata` data key and decode the result, or (2) use the erc725.js for convenience (will do the decoding for you).

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By calling the `setData(bytes32,bytes)` with `LSP4Metadata` as the data key and the JSON metadata as the hex-encoded value.

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LSP7 (1) supports ERC725Y storage for unlimited metadata, (2) notifies sender and recipient on token transfers, (3) uses a `force` parameter for more secure transfers, and (4) has a `transfer(...)` function signature similar to LSP8 which makes it easier for developer to reason (instead of learning multiple transfer function based on different standards, like ERC20, 721, 1155, etc...).

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LSP8 (1) supports ERC725Y storage for unlimited metadata, (2) notifies sender and recipient on NFT transfers, (3) uses a `force` parameter for more secure transfers, and (4) has a `transfer(...)` function signature similar to LSP7 which makes it easier for developer to reason (instead of learning multiple transfer function based on different standards, like ERC20, 721, 1155, etc...)

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LSP7 and LSP8 offer improved features such as (1) unlimited metadata to store any type of information in the token contract, (2) transfer notifications via callback hooks, and (3) a simpler interface for developers. It also includes additional benefits over ERC20/721. See our dedicated page.

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Mini-App is a dApp that run in an iframe of a parent page that hosts them. You can then add them to your Grid on Universal Everything.

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The UP Provider empowers the Mini-Apps to connect to the user visiting the parent page with one-click.

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To test Mini-Apps locally on Universal Everything, you need to expose your Mini-App to an URL. Check out our guide to learn how to do this with localtunnel.

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There are multiple RPC endpoints available to connect to the LUKSO network. See our dedicated page for more infos.

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Visit our dedicated page to learn how to run your own node.

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Visit our dedicated page to learn how to become a validator on LUKSO and start earning staking rewards.

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Visit our dedicated page in the docs to learn how to update your node for the Dencun hardfork.

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Visit our Networks page and add one of the available LUKSO RPC endpoint, chain ID (42 for Mainnet, 4201 for Testnet) and the Blockscout explorer in your wallet. We also have a one click button to add the network to your wallet.

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Visit our page in the docs to download the 🆙 Browser.

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The UP Mobile app is currently in beta and under testing by our beta testers. It will soon be available on the App Store and Google Play Store for the public and will be available for the public to download.