Decentralized crowdfunding on Ergo
What is ErgoRaffle?
Crowdfunding with a built-in, provably-fair lottery — all on Ergo.
v2 runs on testnet today. v1 is live on mainnet at ergoraffle.com.
Fund a goal. Draw a winner. On-chain.
Supporters buy tickets toward a goal you set. At the deadline, smart contracts settle everything — no company holds your funds or keys.
Non-custodial
Funds live in contracts, not with us.
Provably fair
Winners drawn from an on-chain oracle anyone can verify.
Refund-protected
Miss the goal? Backers get paid back.
How it works
For creators
- 1
Create
Set goal, ticket price, deadline, winners, and split.
- 2
Share
Backers buy tickets; anyone can add gift prizes.
- 3
Get funded
Goal met → your share releases, winners draw automatically.
For supporters
- 1
Buy tickets
More tickets = higher odds. Set your payout address.
- 2
Wait
The deadline is an Ergo block height — tamper-proof.
- 3
Claim
Win your basket, or claim a full refund if it fails.
Donate with Bitcoin or Runes too — they arrive as Rosen Bridge–wrapped rsBTC / rsRunes, no manual bridging. Live on testnet and mainnet.
Use cases
What you can build
One primitive, many shapes — dial the prize and the goal however you like.
Pure crowdfunding
Back a cause; the draw is a bonus, not the point.
Pure lottery
Big prize pool, low ticket price, classic on-chain draw.
Many winners
Spread the pot across dozens of lucky backers.
NFT drops
Raffle off NFTs as the winner baskets.
Reward backers
Stack tokens & NFTs into baskets to sweeten the win.
Physical & luxury goods
Draw winners on-chain for real-world prizes.
Token distribution
Seed a new token across your community.
Listings & dev funding
Rally a community to fund a milestone — proven on mainnet.
On-chain lifecycle
From goal to payout — settled by contract
Every step is a public Ergo transaction you can verify yourself. No custody, no off switch.
Create
The creator sets the goal, deadline, winners and split, and pays a one-time creation fee.
Fund
Supporters buy tickets — more tickets, higher odds. Anyone can add gifts to the baskets.
Deadline
At a fixed Ergo block height the raffle closes and the contract settles itself — no team.
The contract settles
Success branch
Goal met
A randomness oracle draws the winners on-chain — anyone can re-verify it
Winners receive their prize share plus any donated gifts
Raised funds release to the creator, after the ~5% protocol fee
The creation fee is refunded
Refund branch
Goal missed
Every ticket is redeemed and buyers are refunded automatically
Gift donors reclaim the assets they added
No protocol fee is charged
The creation fee is kept (spam prevention)
Built for trustless fundraising
Verifiable draws
Winners from an on-chain oracle — re-checkable by anyone.
Any Ergo asset
Goals in ERG or any token, bridged assets included.
Gifts from anyone
Backers can pile tokens or NFTs into the baskets.
Multiple winners
Split the prize pool across as many as you like.
BTC & Runes
Donate cross-chain via the Rosen Bridge proxy.
Your keys
Nautilus or Xverse — you sign every action.
Fully decentralized
Skip the UI and hit the contracts direct.
Transparent fees
One ~5% protocol fee, only on success.
Trustless by design
Protected by powerful Ergo contracts
Your funds never touch a server or a team wallet. Every raffle runs as open ErgoScript on Ergo — the rules execute exactly as written, and anyone can read or re-verify them.
Non-custodial
Funds live in contract boxes on-chain — never in a team wallet.
Open & auditable
The ErgoScript is public — read it, re-run it, verify it yourself.
Deterministic
Outcomes are math and on-chain randomness, not trust in us.
Unstoppable
No admin key, no pause button, no off switch.
// ErgoRaffle V2 — Ticket contract (excerpt)// Refunds are enforced on-chain, by the contract itself.val ticketPrice = SELF.R5[Coll[Long]].get(2)val ticketCount = SELF.tokens(0)._2// the payout must return the exact donation, minus the tx feeval redeemedDonation = safePayBox.value == SELF.value + ticketPrice * ticketCount - txFeesigmaProp(allOf(Coll( blake2b256(ticketRedeem.propositionBytes) == ticketRedeemScriptHash, ticketRedeem.tokens(0)._1 == raffleLicense, redeemedDonation, INPUTS(1).id == SELF.id // can't spend the same ticket twice)))ErgoRaffle by the numbers
Real results from ErgoRaffle v1 on Ergo mainnet.
175,531
ERG raised
199
Raffles created
2,259
Contributions
68
Raffles funded
6,834
ERG won by winners
What the community has funded
Real funded raffles on mainnet — by raised, backers, and overfunding.
MEXC Listing Raffle
28,675 ERG
581 supporters
Most raised
Bitpanda Listing Fundraiser
8,622 ERG
220 supporters
2nd most backers
Ergo Onramper & Banxa
22,605 ERG
160 supporters
Community Fundraiser
ErgoHack VIII Prize Pool
8,462 ERG
27 supporters
16.9× its goal
Sigmanauts Treasury Fundraiser
5,344 ERG
68 supporters
Community treasury
SkyHarbor NFT Initiative
7,207 ERG
50 supporters
Supporting anonymous devs
Start a raffle in minutes
Fund a cause, reward your community, and let the chain prove it was fair.
ErgoRaffle is a decentralized dApp. It performs no identity, eligibility, or legality checks — you are responsible for compliance in your own jurisdiction. Not legal advice.
Get in touch
Get updates firsthand
Feel free to send us a message!
We're the team behind ErgoRaffle — builders who believe fundraising should be as unstoppable as the chain it runs on. ErgoRaffle turns crowdfunding into a provably-fair, on-chain game: no custody, no middlemen, no off switch. It's our take on what a decentralized dApp should be — open code on Ergo that just keeps running, keeps paying out, and answers only to the people who use it. Win or lose, the ecosystem grows.