# 3dp | 3Dpass | Knowledge Base | Instagit The Implementation of The Ledger of Things Node. Layer 1 decentralized blockchain platform for the tokenization of objects. Proof of Scan protocol. Useful smart-contracts and dApps. GitHub Stars: 29 Repository: https://github.com/3dpass/3dp --- ## Articles ### [How to Set Up a Validator or Masternode in the 3DPass Network: Complete Technical Guide](/3dpass/3dp/how-to-setup-validator-masternode-3dpass) Learn how to set up a validator or masternode in the 3DPass network. This technical guide covers compiling the POSCAN node, key generation, collateral, and node launch. Get started today. - Tags: how-to-guide - Published: 2026-02-23 ### [3DPass APIs and RPC Methods: Complete Developer Guide to Runtime and JSON-RPC Interfaces](/3dpass/3dp/3dpass-apis-rpc-methods-interaction) Explore 3DPass APIs and RPC methods for runtime and JSON-RPC interfaces. Integrate object retrieval mining and pool management with this developer guide. - Tags: api-reference - Published: 2026-02-23 ### [3DPass Architecture Native vs WASM: A Complete Technical Breakdown](/3dpass/3dp/3dpass-architecture-native-vs-wasm-components) Explore the 3DPass architecture: a technical breakdown of its native Rust node and WASM runtime. Understand how on-chain logic executes deterministically in a sandboxed VM. - Tags: architecture - Published: 2026-02-23 ### [Asset Contract Address Format for Local Assets on 3DPass: Technical Specification](/3dpass/3dp/local-asset-contract-address-format-3dpass) Discover the asset contract address format for local assets on 3DPass. Learn how EVM addresses uniquely identify native assets using AssetIds and a specific prefix. - Tags: technical-specification - Published: 2026-02-23 ### [How to Interact with the Native P3D Token from an ERC20 Perspective on 3DPass](/3dpass/3dp/interact-native-token-p3d-erc20-3dpass) Interact with the native P3D token from an ERC20 perspective on 3DPass. Use standard Web3 libraries to query balances, execute transfers, and manage allowances easily. - Tags: how-to-guide - Published: 2026-02-23 ### [PoScan Pallet Object States: Complete Guide to the 3DPass Object Lifecycle](/3dpass/3dp/object-states-poscan-pallet-3dpass) Explore the PoScan pallet's 9 object states guiding 3D object verification from creation to self-proof on the 3DPass blockchain. Understand the complete object lifecycle. - Tags: deep-dive - Published: 2026-02-23 ### [How 3DPass Handles Deterministic Finality with the GRANDPA Protocol](/3dpass/3dp/how-3dpass-handles-deterministic-finality-grandpa) Discover how 3DPass ensures deterministic finality using the GRANDPA protocol. Learn how PoScan and GRANDPA votes guarantee irreversible blocks on the blockchain. - Tags: deep-dive - Published: 2026-02-23 ### [Grid2d Recognition Algorithm: How It Powers Proof of Scan in 3dpass](/3dpass/3dp/what-is-grid2d-recognition-algorithm-proof-of-scan) Discover the Grid2d recognition algorithm, a core component of 3dpass Proof of Scan. Learn how it secures 3D mesh data with cryptographic hashes for a decentralized network. - Tags: deep-dive - Published: 2026-02-23 ### [How to Deploy and Use Ink! Smart Contracts on the 3DPass Blockchain](/3dpass/3dp/how-to-use-ink-smart-contracts-3dpass) Deploy Ink smart contracts to the 3DPass blockchain. Learn to compile Rust, upload WebAssembly, and instantiate your contract using the Substrate contracts pallet. Get started today. - Tags: how-to-guide - Published: 2026-02-23 ### [What Networking Stack Does the 3DPass Node Use? libp2p and Substrate Integration Explained](/3dpass/3dp/3dpass-node-networking-stack-libp2p) Learn what networking stack the 3DPass node uses. Discover how libp2p and Substrate integration enable decentralized peer discovery and efficient block propagation. - Tags: deep-dive - Published: 2026-02-23 ### [Understanding the 3DPass Node Structure: A Complete Directory Guide](/3dpass/3dp/3dpass-node-structure-key-directories) Explore the 3DPass node structure, a Substrate-based architecture with seven key directories. Learn about the POS-scan consensus client, WASM runtime, and custom pallets for Ledger of Things functionality. Understand the code o... - Tags: deep-dive - Published: 2026-02-23 ### [How to Map a Substrate Account to an EVM Account on 3DPass](/3dpass/3dp/map-substrate-to-evm-account-3dpass) Learn how to map your Substrate account to an EVM account on 3DPass. Understand the bidirectional conversion system for seamless integration and cross-chain compatibility. - Tags: how-to-guide - Published: 2026-02-23 ### [What Is the poscan-assets Module in 3DPass? A Complete Technical Guide](/3dpass/3dp/role-poscan-assets-module-3dpass) Discover the poscan-assets module in 3DPass. Learn how this core Substrate runtime module handles the creation, management, and transfer of your fungible and non-fungible tokenized assets. - Tags: deep-dive - Published: 2026-02-23 ### [What Is the 3DPRC-2 Standard? The Complete Guide to 3DPass Object Tokenization](/3dpass/3dp/what-is-3dprc-2-standard-3dpass) Discover the 3DPRC-2 standard, a peer-to-peer protocol for authenticating, protecting, and tokenizing real-world objects on the Ledger of Things blockchain with Proof-of-Scan. - Tags: deep-dive - Published: 2026-02-23 ### [How to Interact with Native Substrate Functions from Solidity on 3DPass](/3dpass/3dp/interact-native-substrate-functions-solidity-3dpass) Learn to interact with native Substrate functions from Solidity on 3DPass using precompile contracts for atomic EVM execution. Unlock powerful cross-chain interactions seamlessly. - Tags: how-to-guide - Published: 2026-02-23 ### [3DPass Custom EVM Precompiles: PoScan, Identity, and Serial Numbers Guide](/3dpass/3dp/3dpass-custom-evm-precompiles-explained) Discover 3DPass custom EVM precompiles PoScan, Identity, and Serial Numbers. Learn how Solidity contracts natively interact with Substrate pallets for enhanced blockchain functionality. - Tags: deep-dive - Published: 2026-02-23 ### [How the HASH ID System in 3DPass Protects Against Object Copying: A Technical Deep Dive](/3dpass/3dp/how-hash-id-system-protects-against-copying) Discover how 3DPass HASH ID secures 3D assets against copying. Learn about deterministic fingerprints, on-chain uniqueness, and permission-based replication for your digital creations. - Tags: deep-dive - Published: 2026-02-23 ### [What Objects Can Be Tokenized on the 3DPass Blockchain? A Complete Guide to 3DPRC-2 Categories](/3dpass/3dp/what-objects-can-be-tokenized-on-3dpass) Discover what objects you can tokenize on the 3DPass blockchain. Explore 3DPRC-2 categories including 3D models, 2D drawings, music, biometrics, movements, and texts. - Tags: tutorial - Published: 2026-02-23 ### [How 3DPass Achieves EVM Compatibility: Technical Architecture Explained](/3dpass/3dp/how-3dpass-achieves-evm-compatibility) Discover how 3DPass achieves EVM compatibility using pallet-evm, SputnikVM, deterministic address translation, and the Frontier framework. Learn about its technical architecture. - Tags: architecture - Published: 2026-02-23 ### [How 3DPass Leverages the Substrate Framework for Object Tokenization](/3dpass/3dp/3dpass-substrate-framework-relationship) Discover how 3DPass utilizes the Substrate framework for innovative 3D object tokenization. Learn about its unique Ledger of Things architecture. - Tags: deep-dive - Published: 2026-02-23 ### [How Does the Proof of Scan Consensus Mechanism Work in 3DPass?](/3dpass/3dp/how-proof-of-scan-consensus-works) Discover how 3DPass uses Proof of Scan PoScan consensus combining PoW mining with 3D object validation for secure network operations. - Tags: how-to-guide - Published: 2026-02-23 ### [What Is the 3DPass Blockchain Platform: Technical Guide to the Ledger of Things](/3dpass/3dp/what-is-3dpass-blockchain-platform) Discover the 3DPass blockchain platform, The Ledger of Things LoT. Learn how this Layer-1 Substrate network uses Proof-of-Scan and HASH IDs to tokenize real-world objects replacing traditional mining with 3D recognition. - Tags: technical-guide - Published: 2026-02-23