How gogacha Works
A provably fair collectible distribution platform where everyone gets a fair shot
1The Basics
gogacha is a premium collectible acquisition platform. Collectors list their rare items (like trading cards, digital collectibles, or physical goods), and you can acquire tickets for a fair-odds distribution.
Think of it as a transparent and mathematically fair way to acquire high-value items. Every ticket has an equal chance of being selected, and the outcome is mathematically guaranteed to be random and verifiable.
2Why It's Fair (The Tech, Simplified)
True Randomness
We use Chainlink VRF (Verifiable Random Function) - a service that generates random numbers that are mathematically proven to be fair. Nobody - not us, not the seller, not anyone - can predict or manipulate the outcome.
On-Chain Transparency
Every distribution, ticket purchase, and recipient selection is recorded on the Arbitrum blockchain. Anyone can verify every transaction. It's like having a public ledger that nobody can erase or alter.
Smart Contract Logic
The rules are coded into a smart contract - a program that runs exactly as written, automatically. Once deployed, even we can't change how recipients are selected. The code is law.
No House Edge
Your odds are exactly what they appear to be. If there are 100 tickets and you acquire 5, you have exactly a 5% chance of being selected. No hidden manipulation, no weighted systems.
3How the Money Works
✦ The platform fee helps us maintain the service, pay for blockchain transaction costs, and keep the platform running. Sellers receive 95% of all ticket sales directly to their wallet.
4Step by Step
Browse
Explore available distributions for collectibles you want
Acquire Tickets
Purchase tickets with USDC (a stable cryptocurrency). Each ticket = one entry
Wait for Draw
Once all tickets are allocated (or time runs out), the event closes
Random Selection
Chainlink VRF generates a provably random number to pick the recipient
Secure Your Prize
The selected ticket holder receives the collectible NFT automatically
?Common Questions
Can the seller or platform rig the selection?
No. The random recipient selection happens through Chainlink VRF, which generates cryptographically secure random numbers. The result is verified on-chain before being used. Nobody can predict or influence it.
What happens if a distribution doesn't sell out?
Events have a set duration. When time runs out, the draw happens with whatever tickets were allocated. If you're the only participant with 10 tickets out of 100 possible, you have a 10/10 (100%) chance of being selected!
How do I know the item is real?
Items are represented as NFTs (digital certificates of ownership). You can verify the NFT's authenticity on the blockchain. For physical items, sellers stake collateral and are responsible for shipping.
Why Arbitrum?
Arbitrum is a "Layer 2" network that runs on top of Ethereum. It's much faster and cheaper than Ethereum directly, while still inheriting its security. This means lower fees for you.
What's USDC?
USDC is a "stablecoin" - a cryptocurrency that's always worth $1 USD. Using USDC means the ticket prices stay stable and predictable, unlike volatile cryptocurrencies like ETH or BTC.