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# bitcoin++, let’s hack  payments 

**Open Source: 1K usd**
Best use of Bitcoin and Lightning Open Source libraries and tools

**Rootstock 2K usd**
Best use of Rockstocks  dev tools

**RSK & Bitcoin 1K usd**

**UX 500usd** The project with the best User Experience.

**Use Case  500usd**
Best uses case for payments and remitances in Argentina. 