OPN Micro Vault
A compact native OPN micro-vault for simple deposit records.
by smonkokat · submitted Jun 2, 2026
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Description
01/03
What the builder said.
Written by the team, rendered as the markdown they typed in the submission wizard.
Build summary
OPN Micro Vault is a compact DeFi vault deployed on OPN Chain. It lets a user place a small native OPN deposit into a personal vault record, while the contract stores the amount, creation time, and closed status on-chain.
This is a minimal vault primitive, focused on simple deposit tracking and clear wallet-based records.
Why it exists
Many DeFi products begin with a basic vault action: funds are placed into a contract, linked to a wallet, and tracked transparently. This build keeps that idea small and easy to verify.
The contract can later become a base for micro-savings, simple vault dashboards, user deposit history, or lightweight treasury tools.
How it works
- The user calls
openMicroVault()and sends native OPN. - The contract creates a micro-vault record for that wallet.
- Each record stores amount, timestamp, and closed status.
- The contract tracks total active micro-vault balance.
- The user can read vault count and individual vault details.
OPN Chain proof
The contract was deployed on OPN Chain during the Season 1 window. A live openMicroVault() transaction was executed to prove real interaction with the deployed contract.
Roadmap
02/03
What ships next.
The builder's own next-quarter plan. Use it to gauge follow-through and ambition.
Current build
The first version of OPN Micro Vault is focused on a small and easy-to-review vault flow:
- Deploy the micro-vault contract on OPN Chain.
- Test the
openMicroVault()function with native OPN. - Store deposit amount, creation time, and closed status on-chain.
- Track total active micro-vault balance.
- Submit the build for Season 1 review.
Next step
The next stage is to make the vault usable without Remix:
- Build a simple wallet-connected page.
- Let users open a micro-vault from the interface.
- Show all vault records for the connected wallet.
- Display total active micro-vault balance.
- Add explorer links for vault transactions.
Product expansion
After the basic interface is ready, the project can be expanded with:
- Deposit labels for different saving purposes.
- ERC-20 micro-vault support.
- Filters for active and closed vaults.
- Better event indexing for dashboards and analytics.
Long-term direction
The long-term goal is to turn this into a lightweight vault tool for small OPN deposits, personal savings records, and simple transparent DeFi activity on OPN Chain.
On-chain proof
03/03
1 contract on OPN Chain.
The chain itself confirmed every deployment is valid, signed by the builder's wallet, and inside the season's window.