# CONTRIBUTE TO META POOL

- [Retroactive Public Goods Funding (RPGF)](/master/contribute-to-meta-pool/retroactive-public-goods-funding-rpgf.md)
- [As Validator](/master/contribute-to-meta-pool/as-validator.md): A validator is in charge of confirming transactions per blocks or chunks and secure the network.
- [As Ambassador](/master/contribute-to-meta-pool/as-ambassador.md): Ambassadors aims to distribute the benefits of liquid staking among emerging economies.
- [As Beta Tester](/master/contribute-to-meta-pool/as-beta-tester.md)
- [Bug Bounty Program](/master/contribute-to-meta-pool/bug-bounty-program.md)
- [Leaderboard](/master/contribute-to-meta-pool/bug-bounty-program/leaderboard.md): High skilled bug hunters are showed in our leaderboard for public recognition and transparency.
- [As Content Creator](/master/contribute-to-meta-pool/as-content-creator.md)
- [Referral Program](/master/contribute-to-meta-pool/referral-program.md)