# Become a Member
The BDK Foundation is a US non-profit organization with the mission to promote the common business interests of the Bitcoin software development industry. Our corporate membership tiers are: Platinum, Gold, and Silver. All businesses big or small who support the BDK Foundation's mission are welcome to join.
We also offer Associate Membership to non-profit organizations and educational institutions who would like to partner with us.
Membership benefits include a listing on the BDK Foundation members page and varying levels of representation on the Foundation's board of directors.
# Membership Fee Information
| Tier | Annual Fee |
|---|---|
| Platinum | 300,000 USD |
| Gold | 150,000 USD |
| Silver | See sliding scale |
| Individual | Not currently offered |
# Silver Tier Sliding Scale
| Full Time Employees | Annual Fee |
|---|---|
| 3000+ | 85,000 USD |
| 1000-2999 | 55,000 USD |
| 500-999 | 30,000 USD |
| 100-499 | 15,000 USD |
| 0-99 | 5,000 USD |