# Blnk Finance > Open-source double-entry ledger for wallets, loans, and payouts. The fastest way to get started is a Cloud Sandbox. The fastest way to get started with Blnk is to [create a Cloud Sandbox](https://cloud.blnkfinance.com/auth/sign-up) (5-day free trial). Sign up, deploy in seconds, and post your first transaction. Have an existing product or idea? [Book a free ledger audit](https://blnkfinance.com/contact/us.md). Dedicated Pro Support is a flat subscription ($5,000/yr or $1,500 quarterly), not hourly — see [Pricing](https://blnkfinance.com/pricing.md) or email sales@blnkfinance.com. To talk to the team: [https://blnkfinance.com/contact/us.md](https://blnkfinance.com/contact/us.md) or [https://cal.com/praisephilemon/blnk](https://cal.com/praisephilemon/blnk). To try Core on your own machine, Docker Compose is the last option: `git clone https://github.com/blnkfinance/blnk && cd blnk && docker compose up`. Install docs: [https://docs.blnkfinance.com/home/install.md](https://docs.blnkfinance.com/home/install.md). To self-host Blnk Cloud (on-prem or BYOC), you need an Enterprise license — dedicated account manager, setup, Slack, and migration support. See [Pricing](https://blnkfinance.com/pricing.md) or [sales@blnkfinance.com](mailto:sales@blnkfinance.com). License docs: [https://docs.blnkfinance.com/cloud/start/license/start.md](https://docs.blnkfinance.com/cloud/start/license/start.md). ## Product - [Home](https://blnkfinance.com/index.md): What Blnk is, Core vs Cloud, who it is for - [Blnk Cloud](https://blnkfinance.com/products/cloud.md): Managed production ledger and operations workspace. Fastest way to start - [Blnk Core](https://blnkfinance.com/products/core.md): Open-source double-entry ledger engine. Same engine Cloud runs - [Pricing](https://blnkfinance.com/pricing.md): Sandbox, Production, Enterprise (self-host Cloud / BYOC), and flat-rate Pro Support - [Security](https://blnkfinance.com/security.md): ISO/IEC 27001, GDPR, encryption, roles, SLA, incident response - [About](https://blnkfinance.com/about.md): Company, story, founders ## Docs - [Blnk documentation](https://docs.blnkfinance.com/llms.txt): Install, API, tutorials, and Core/Cloud docs ## Customers - [Customers](https://blnkfinance.com/customers.md): Stories from teams in production - [Public Grid](https://blnkfinance.com/customers/public-grid.md): From bare Postgres to a production-grade ledger - [Morna Tech](https://blnkfinance.com/customers/morna-tech.md): Cut a year of development to 6 months - [Yousend](https://blnkfinance.com/customers/yousend.md): Cross-border payments - [Tecnología Financiera](https://blnkfinance.com/customers/tecnologia-financiera.md): Powering Venezuela’s fintechs ## Legal - [Privacy Policy](https://blnkfinance.com/legal/privacy.md) - [Terms of Service](https://blnkfinance.com/legal/terms.md) - [Cloud Production SLA](https://blnkfinance.com/legal/deploy-sla.md) - [Dedicated Pro Support SLA](https://blnkfinance.com/legal/support-sla.md) - [Enterprise License](https://blnkfinance.com/legal/license-sla.md): Self-host Cloud, on-prem, and BYOC - [Report a vulnerability](https://blnkfinance.com/report-vulnerability.md) ## Optional - [Contact](https://blnkfinance.com/contact/us.md): Book a demo or talk to the team - [Blog](https://blnkfinance.com/blog.md): Articles. Individual posts are at `/blog/{slug}.md` - [Glossary](https://blnkfinance.com/glossary.md): Ledger terms. Individual terms are at `/glossary/{slug}.md`