# Leja > Documentation for Leja — Nigeria's residential trust ecosystem for property professionals and residents. ## Docs - [Resident Identity Number (RIN) explained](https://internal.relvor.org/concepts/resident-identity.md): A permanent identity number in the format RIN-NG-YYYY-XXXXXXXXXXX, issued once per person and valid across all 36 Nigerian states on Leja. - [Trust Graph: your verified residential history](https://internal.relvor.org/concepts/trust-graph.md): A consent-gated map of every witnessed event on your RIN — payments, leases, and maintenance — that belongs to you and grows across Nigeria. - [Witnessed records: immutable, state-compliant proof](https://internal.relvor.org/concepts/witnessed-records.md): Every Leja record needs human confirmation, generates a PDF receipt, and auto-applies the tenancy law for the property state — permanently. - [How Leja works: witnessing, records, and trust](https://internal.relvor.org/how-it-works.md): Learn how Leja turns a single confirmed payment into a permanent witnessed record, and how those records accumulate into a Trust Graph over time. - [Leja: Nigeria's Residential Trust Ecosystem](https://internal.relvor.org/index.md): Verified records, witnessed transactions, and compounding economic identity for property professionals and residents across Nigeria. - [What is Leja? Nigeria's residential trust platform](https://internal.relvor.org/introduction.md): Leja is Nigeria's residential trust platform — witnessed records, verified identities, and state-compliant documents for agents, managers, and residents. - [Generate state-compliant tenancy agreements](https://internal.relvor.org/professional/agreements.md): Fill in the tenancy details and Leja generates a compliant PDF agreement — drafted to the tenancy law of the property's state, not a generic template. - [AI intelligence features in Leja Professional](https://internal.relvor.org/professional/ai-features.md): Payment extraction, anomaly detection, payment prediction, and portfolio queries — four AI capabilities in Leja Professional. Pro subscription required. - [Detect payment fraud and document fabrication](https://internal.relvor.org/professional/fraud-detection.md): Leja Professional flags duplicate payment alerts and fabricated proofs before you confirm. Review each flag with a confidence score and decide how to act. - [Set up your Leja Professional account](https://internal.relvor.org/professional/onboarding.md): Get your Leja Professional account verified, create your organisation profile, and add your first property and tenant in under 10 minutes. - [Leja Professional: verified records for property managers](https://internal.relvor.org/professional/overview.md): Leja Professional is where Nigerian property agents and managers turn every deal, payment, and agreement into a permanent witnessed record. - [Confirm and record payments in Leja Professional](https://internal.relvor.org/professional/payments.md): Record rent payments in Leja Professional by manual entry or AI-assisted bank alert extraction. Every confirmed payment is an immutable, witnessed record. - [Leja Professional pricing and transaction fees](https://internal.relvor.org/professional/pricing.md): Solo agents pay per transaction with no monthly fee. Organisations subscribe from ₦15,000. Transaction fees apply on top of subscription across all tiers. - [Manage properties in Leja Professional](https://internal.relvor.org/professional/properties.md): Add properties, create units, and let Leja apply the correct state tenancy law to every document it generates — based on the property's location. - [Generate state-compliant rent receipts](https://internal.relvor.org/professional/receipts.md): Every confirmed payment in Leja Professional automatically generates a PDF rent receipt that meets your property's state tenancy law requirements. - [Export landlord statements from Leja Professional](https://internal.relvor.org/professional/statements.md): Export a PDF of confirmed payments for any property or portfolio. Use landlord statements to report to clients and demonstrate professional management. - [Add and manage tenants in Leja Professional](https://internal.relvor.org/professional/tenants.md): Add tenants to your units, let Leja issue their RIN automatically, and start building a verified payment history from the first confirmed rent. - [Get started with Leja in 5 minutes](https://internal.relvor.org/quickstart.md): Follow the steps for your role — property professional or resident — to set up your Leja account, connect your identity, and make your first witnessed record. - [Claim your Leja RIN and activate Resident](https://internal.relvor.org/resident/claim-your-rin.md): Your RIN may already exist with payment history you haven't seen. Claim it with your NIN and activate your Resident account at resident.leja.com. - [Control who sees your Leja data](https://internal.relvor.org/resident/consent-management.md): Leja never shares your Trust Graph without your consent. Manage who sees your data, revoke access anytime, and review every query made against your record. - [Resident: build your verified economic identity](https://internal.relvor.org/resident/overview.md): Resident is Leja's individual surface. Build three tracks of witnessed identity — residential history, professional work, and housing market activity. - [Resident subscription plans and pricing](https://internal.relvor.org/resident/pricing.md): Resident plans from free to ₦4,500/month. Your payment history builds before you sign up — you are never starting from zero when you activate your account. - [Share your verified Leja profile with landlords](https://internal.relvor.org/resident/sharing-your-profile.md): Generate a shareable profile link with your payment history, Score tier, and tenancy count. Choose what a landlord sees before they ask for references. - [Track 1: your residential history and payment record](https://internal.relvor.org/resident/track1-residential.md): Track 1 is your housing CV — tenancy history, payment behavior, and exit quality. Built automatically from your landlord's activity on Leja Professional. - [Track 2: build a verified service provider record](https://internal.relvor.org/resident/track2-service-provider.md): Track 2 builds your record as a property-adjacent service provider — jobs completed, ratings, repeat hire rate, and trade certifications. Launching Wave 3. - [Track 3: your housing market activity record](https://internal.relvor.org/resident/track3-property-consumer.md): Track 3 records your housing market activity — viewings, applications, and bookings — building a seriousness score that tells landlords you mean business.