Self-custodial
Your private keys are encrypted on your device with your PIN (a password in the browser extension) and never sent anywhere. There is no RustCore server at all.
Built for the Massa blockchain
Your keys. Your funds.
Your keys. Your funds.
Nothing in between.
RustCore builds self-custodial, verifiable tools for the Massa community — software you can audit yourself, served straight from the blockchain, that never takes your data.
Wallet: wrustcore.massa · Launchpad: lrustcore.massa · this
site: rustcore.massa — all served from DeWeb
What we do
A small team building for Massa, in the open
RustCore is an independent team. We build the tools we want to use ourselves: simple to use, honest about what they do, and impossible to hide anything in — every line of code is public.
Verifiable
The full source is public and every release is built in public CI, with checksums you can compare against a build of your own.
On-chain truth
Balances, rolls and history come straight from the blockchain. Nothing is shown as done before the network has executed it.
Served from the chain
Hosted on DeWeb, Massa's decentralized web: the files live on-chain, with no web server to take down or tamper with.
Our first product
RustCore Wallet
A self-custodial wallet for Massa that runs in your phone's browser and installs to your home screen like a native app — and now also as a browser extension.
- Send & receive MAS and Massa tokens, with a review screen before every signature and a QR code for receiving.
- Swap through the Dusa exchange, with a live quote and a minimum you'll accept.
- Stake: buy and sell rolls, follow your produced and missed slots, APR and estimated daily reward.
-
History, domains & prices: every transaction with its details,
your
.massanames (register new ones right in the wallet), token values in USD. - Connect to dApps from the browser extension: a site sees only the wallets you choose — one or several, as in MetaMask — and every transaction it asks for opens a review window.
Our second product
RustCore Launchpad
Launch tokens and NFT collections on Massa, trade NFTs and run token presales — with no backend. What you launch is yours from the first block: the Launchpad keeps no rights over it.
Launch a token
An MRC20 token in one transaction: supply, optional minting up to a cap, optional burning, and its tokenomics as a chart. You own the contract and the whole supply.
Launch a collection
An MRC721 NFT collection with metadata on IPFS, an optional public mint at your price and a royalty on every sale.
Trade NFTs
List, buy and cancel on the marketplace, with no custody: the NFT stays in your wallet until it's sold. Fee and royalty are fixed when you list.
Run a presale
Sell your token for MAS with a soft and a hard cap. Success: contributors claim their tokens. Failure: they take their MAS back.
Launchpad: lrustcore.massa · contract v1.3.1
AS1LbJFfhZpq8DehV7Uw5XQxCyfXtwgUUoiZSTsHcyhEGB7RPWyP
What we've built
Shipped so far
-
Sep 2026
RustCore Wallet 1.0
First production release on Massa mainnet: encrypted multi-wallet vault, send and receive, swaps through Dusa, staking, history and
.massadomains. -
Sep 2026
Live on DeWeb
The wallet is served from the Massa blockchain itself — today at
wrustcore.massa— and installs to the home screen on Android and iPhone. -
Sep 2026
Releases you can verify
Every version is built in public from its tagged source, with checksums; the build is reproducible byte for byte.
-
Oct 2026
RustCore Wallet 1.1 — browser extension
The same wallet as an extension for Chrome, Edge, Brave and Firefox: as a popup, in the side panel or full screen. Submitted to Firefox Add-ons; the other stores follow.
-
Oct 2026
RustCore Wallet 1.1.1 — lighter and faster
Less than half the size: unused code from the Massa library is left out, so the wallet loads faster on your phone. Now at its own address,
wrustcore.massa, next to this site atrustcore.massa. -
Oct 2026
RustCore Launchpad 1.0
Our second product, live on Massa mainnet and served from DeWeb at
lrustcore.massa: launch tokens and NFT collections, trade NFTs and run token presales, with no backend. -
Oct 2026
RustCore Wallet 1.2 — connect to dApps
The browser extension connects to Massa dApps: each site sees only the wallet you choose, and every transfer, contract call or signature it asks for opens a review window. The extension now locks with a password. Support for RustCore is proposed to Massa's wallet library, so dApps can offer it next to the other wallets.
-
Oct 2026
On Massa's official gateway
The wallet, the Launchpad and this site are now served by Massa's own DeWeb gateway:
wrustcore.massa.network,lrustcore.massa.networkandrustcore.massa.network. Opened at its old address, the wallet shows how to move your wallets over. -
Oct 2026
RustCore Wallet 1.3 — custom tokens
Add any MRC-20 token by its contract address, from Settings: the wallet reads its name, symbol and decimals from the chain for you to review, then shows its balance and lets you send it. Give it an icon from an https or IPFS link. Tokens you add are marked as yours, and their contract is shown before every send.
-
Oct 2026
RustCore Wallet 1.4 — register
.massanamesRegister a
.massaname from the NFTs page: the wallet shows its price, set by the Massa Name System (1 MAS for 6 or more characters), checks on-chain that it's free and tries the registration first, so you only confirm one that will go through. The name is yours and points to your wallet. -
Oct 2026
RustCore Launchpad 1.3 — tokenomics and audit fixes
The Launchpad contract was upgraded on mainnet to v1.3.1, after its 72-hour public delay. Token owners can show how the supply is split, as a chart with the live balance of each address they name. Fixes from our internal audit: a safer collection template, a royalty fixed when an NFT is listed, a cap on presale rates and clear warnings on imported projects, look-alike symbols and listings that can't be bought.
-
Oct 2026
RustCore Wallet 1.5 — ready for Massa's next release
Ready for Massa's MAIN.5.1 node release, so a transaction that went through is never reported as timed out. dApps can set the fee of transfers and rolls, connected sites always hear about account and network changes, and the first swap of a token pays the small storage of its approval that newer tokens require.
-
Oct 2026
RustCore Wallet 1.6 — several wallets per site
Connect several of your wallets to a site, as in MetaMask: the site follows the wallet you switch to, and Settings lists the wallets each site sees. dApps that don't handle several accounts yet stay on the wallet they show, so they never ask you to sign from another one. The lock screen now has Forgot your PIN / password?, to start over and import your wallets again with their private keys.
What's next
Roadmap
Where RustCore is heading. Dates follow quality, not the other way round.
Wallet · Phase 1
Live
Web wallet
- Encrypted multi-wallet vault
- Send, receive, swap, stake
- History &
.massadomains - Installable app, live on DeWeb
- Import custom tokens from Settings
- Register new
.massanames - On Massa's official DeWeb gateway
- Ready for Massa's MAIN.5.1 release
- NFT gallery
- Independent security audit
- Translations
Wallet · Phase 2
In progress
Browser extension
- Chromium & Firefox builds
- Popup, side panel & full screen
- Connect to Massa dApps and sign with a review screen
- Per-site permissions
- Added to Massa's wallet library, so dApps find RustCore
- Several wallets per dApp, as in MetaMask
- Chrome Web Store, Edge & Firefox Add-ons
Wallet · Phase 3
Planned
Mobile apps
- iOS and Android apps
- Biometric unlock
- Notifications for incoming transfers
Launchpad · 1.x
Live
Launchpad
- Token & collection launches, imports
- NFT marketplace & token presales
- Live on mainnet and DeWeb
- On Massa's official DeWeb gateway
- Tokenomics on token pages
- Internal audit fixes (contract v1.3.1)
Launchpad · Next
Planned
Launchpad extras
- Presale whitelist, vesting & liquidity on Dusa
- Token payments on the marketplace
- An indexer for very large collections
- Connection with RustCore Wallet
- Independent security audit
Later
Exploring
Beyond
- Hardware-wallet support
- More tools for the Massa ecosystem
Ready to hold your own keys?
Open RustCore Wallet on your phone, set a PIN and back up your key. That's it.
Open wrustcore.massa
FAQ
Questions
Can't find your answer? Ask in our Telegram group, write to us on X or open an issue on GitHub.
Does RustCore charge anything?
The wallet: no. Each transaction pays the Massa network fee (0.01 MAS), and swaps
also send a small storage deposit required by the Dusa exchange (0.1 MAS); the
first swap of a token also pays, once, for storing its approval (0.015 MAS).
Registering a .massa name costs the fee set by the Massa Name System —
1 MAS for 6 or more characters, up to 10,000 MAS for 2 — plus a 0.1 MAS storage
deposit whose unused part comes back. Nothing goes to RustCore.
The Launchpad charges five operations: launching a token (100 MAS) or a collection (200 MAS), importing one (50 MAS), 2% of the MAS a presale raises and 1% of each marketplace sale. Each shows its cost before you sign.
Can RustCore see or recover my funds?
No. Your keys never leave your device and there is no RustCore server. That also means nobody can recover a lost key — back yours up and keep it offline. A forgotten PIN or password can't be recovered either: Forgot your PIN / password? on the lock screen erases the wallets on that device, and you import them again with their private keys.
The Launchpad holds MAS only in presale escrow, and its admin can't touch it — only the fees collected.
Is the code open source?
Both products are source-available under the Functional Source License (FSL-1.1-ALv2): anyone can read, audit, run and modify it, but not use it for a competing product. Each release becomes open source under Apache-2.0 two years after it's published.
Have the wallet and the Launchpad been audited?
Not yet — independent security audits are on the roadmap. The Launchpad has had internal security reviews, the latest fixes live on mainnet since contract v1.3.1. Start with small amounts and always keep a backup of your private keys.
Which address is official?
wrustcore.massa is the only official address of the wallet,
lrustcore.massa of the Launchpad, and rustcore.massa is
this site. The Launchpad contract is
AS1LbJFfhZpq8DehV7Uw5XQxCyfXtwgUUoiZSTsHcyhEGB7RPWyP. A copy on any
other address could steal your keys or funds — never enter your PIN, password or
private key anywhere else.
Who owns a token launched with the Launchpad?
You do, from the first block: your wallet is the contract's owner. Anyone can launch anything, though — check the address, the Verified badge and the Imported, Mutable and Look-alike symbol warnings.
Is RustCore part of Massa Labs?
No. RustCore is an independent team, not affiliated with Massa Labs or Dusa.
Support the project
Help fund what's next
RustCore Wallet is free. Voluntary donations in MAS or any Massa token help fund the browser extension, mobile apps and security audits of the wallet and the Launchpad. They unlock nothing and lower no fee — the tools are the same for everyone.
Donation address
AU126s93ZxbT4QUJcZYqsAxyMc3wv8nkHJYKYCtgQyEnZ8VGRM99P
Always check it against the README in the official repository. Nobody from RustCore will ever DM you asking for funds.