TL;DR: JXLabs is a Bitcoin innovation lab building non-custodial, user-focused applications on Rootstock. We currently maintain four products deployed on Rootstock Mainnet: BΔLT, BΔLT Pro, BΔLT Payments and BΔLT Gift. Our applications address digital asset continuity, organizational treasury protection, programmable payments and Bitcoin gifting. We are applying for Builder Activation to sustain their development, security, maintenance, integrations and adoption.
Who We Are
Project: JXLabs
Website: https://jxlabs.xyz
Category: Consumer Applications / Bitcoin Utility
Network: Rootstock Mainnet
Project Stage: Live / Early Scaling
Applicant: JXLabs
Flagship Product: BΔLT — Bitcoin Autonomous Legacy Trust
JXLabs is an independent Bitcoin innovation lab focused on building real-world applications that expand Bitcoin utility beyond holding and trading.
We design and develop non-custodial applications, smart contracts, and user experiences that make Bitcoin and Bitcoin-backed assets useful for everyday and long-term needs, including inheritance, gifting, savings, payments, and digital continuity.
Rootstock Mainnet Smart Contracts
The following contracts are currently live on Rootstock Mainnet:
BΔLT Original
- BΔLT RBTC Factory:
[0xF16dCeC10883a52eC582798Ea241FA61D7cabeB7]— Blockscout - BΔLT DoC Factory:
[0x42b711218D4549383ae55226e21eBA8c2e2B3BbB]— Blockscout - BΔLT BPRO Factory:
[0xcbAFDc39B3DcAA78fB9e50A682c81fb8E6349651]— Blockscout - BΔLT USDRIF Factory:
[0x141Af3fFA52A67b439Da454145b545D93AE44CA9]— Blockscout
BΔLT Pro
- BΔLT RBTC Factory:
[0xa434CF9D71772abF1A9EA04b933D378d65a01196]— Blockscout
BΔLT Payments
- BΔLT USDRIF - DOC Factory:
[0xB6D8163C50FaC10c1fF2c9470F2a7685cB13Ab43]— Blockscout
BΔLT Gift
- BΔLT RBTC Factory:
[0x7f9A28108f67848341AA6aac4d26B1F3E9d7e467]— Blockscout
Each BΔLT factory deploys individual, user-controlled vault contracts containing the inheritance conditions and assets selected by the user.
The Team
| Name | Role | Background | Public profile |
|---|---|---|---|
| Jonathan Bravetti | Founder & CEO | With over 15 years of experience in enterprise software, systems architecture, and Cryptographic integrations, Jonathan leads both the strategic vision and technical execution of the lab. | |
| Nahuel Castro | Systems Engineer – Software Development & Technical Leadership | Systems Engineer with over 10 years of experience in software development, systems integration, and technical project management. | |
| Agustin Ross | Systems Engineer – Full Stack Development | Systems Engineer with a strong focus on software development and full stack technologies. | |
| Jessica Rubira | Licensed Publicist – Communications & Branding | She oversees the project’s visual identity, brand messaging, and communication strategy. | |
| Aylen Fuente | Community manager | She handles all our social media management and content coordination |
Our team combines software architecture, blockchain development, product engineering, security, enterprise technology, and community engagement.
What We Build
JXLabs builds non-custodial applications that expand Bitcoin utility through practical, real-world use cases.
Our current product portfolio consists of four applications already deployed on Rootstock Mainnet:
- BΔLT
- BΔLT Pro
- BΔLT Payments
- BΔLT Gift
Together, these products form an ecosystem focused on digital asset continuity, treasury protection, programmable payments and Bitcoin gifting.
BΔLT — Bitcoin Autonomous Legacy Trust
BΔLT is a decentralized and non-custodial continuity and inheritance protocol built on Rootstock.
It addresses one of the fundamental challenges of Bitcoin self-custody:
What happens to Bitcoin and digital assets when their owner dies, becomes incapacitated or permanently loses access?
BΔLT allows users to create smart contract vaults, designate a beneficiary and define an inactivity period. The owner periodically performs an on-chain check-in to confirm continued activity.
If the configured inactivity period expires without a check-in, the designated beneficiary becomes eligible to claim the assets through the smart contract.
The owner maintains control of the vault and may cancel it and recover the remaining assets before the claim becomes available.
Current BΔLT capabilities
- Non-custodial continuity and inheritance vaults.
- User-defined inactivity periods.
- Periodic on-chain check-ins.
- Designated beneficiary wallet.
- Permissionless claim after the inactivity condition is met.
- Vault cancellation and asset recovery by the original owner.
- Support for RBTC.
- Support for DoC.
- Support for BPRO.
- Wallet compatibility through MetaMask, Ledger and WalletConnect.
- Open-source smart contracts.
- Independent smart contract audit by Coinspect.
- Deployed and operational on Rootstock Mainnet.
BΔLT never controls users’ wallets, private keys or deposited assets. The continuity logic is executed directly by Rootstock smart contracts according to the conditions established by each user.
BΔLT Pro — Treasury Continuity for Organizations
BΔLT Pro extends the continuity model of BΔLT to companies, protocols, institutions, foundations, DAOs and other organizations managing Bitcoin-based treasuries.
It allows organizations to establish predefined continuity rules so that treasury assets do not become permanently inaccessible when key individuals disappear, lose access or are no longer able to operate the treasury.
BΔLT Pro maintains the same non-custodial principles as BΔLT while introducing functionality designed for organizational and enterprise scenarios.
Current BΔLT Pro capabilities
- Non-custodial treasury continuity vaults.
- Support for multiple beneficiaries.
- Percentage-based asset distribution between beneficiaries.
- Periodic organizational check-ins.
- Additional RBTC deposits without resetting the continuity structure.
- Configurable inactivity periods.
- Custom deployments for specific organizational requirements.
- Transparent and verifiable smart contract execution.
- Currently deployed on Rootstock Mainnet with RBTC support.
BΔLT Pro is designed to provide a continuity framework without transferring custody of the organization’s treasury to JXLabs or any centralized third party.
BΔLT Payments — Programmable Payments on Rootstock
BΔLT Payments is a non-custodial programmable payment layer deployed on Rootstock Mainnet.
It allows companies and organizations to create reusable smart contract payment vaults and schedule payments to multiple recipients using Bitcoin-backed assets and stablecoins available within the Rootstock ecosystem.
The product is designed for use cases such as:
- Recurring supplier payments.
- Contractor and contributor payments.
- Payroll-like payment distributions.
- Grant disbursements.
- Community incentives.
- Scheduled treasury payments.
- Multi-recipient payment campaigns.
Organizations deposit assets into a smart contract vault and configure the recipients, amounts and payment conditions. Recipients can then claim their corresponding payments directly from the contract.
Current BΔLT Payments capabilities
- Non-custodial payment vaults.
- Multiple recipients within the same payment structure.
- Scheduled and programmable payments.
- Reusable payment vaults.
- Organization and company management interface.
- Recipient claim portal.
- Transparent payment status and transaction history.
- Support for Rootstock ecosystem assets, including DoC and USDRIF.
- Deployed and operational on Rootstock Mainnet.
BΔLT Payments helps organizations automate payment flows while maintaining transparency, self-custody and direct settlement through Rootstock smart contracts.
BΔLT Gift — Give Bitcoin, Easily
BΔLT Gift is a non-custodial Bitcoin gifting application deployed on Rootstock Mainnet.
The sender deposits RBTC into a dedicated smart contract vault, selects a release date and generates a personalized digital gift card containing a message, QR code and claim link.
Once the configured date is reached, the recipient can connect a wallet and claim the gift directly from the smart contract.
Current BΔLT Gift capabilities
- Non-custodial RBTC gift vaults.
- Configurable release date.
- Personalized gift message.
- Digital gift card generation.
- QR code and shareable claim link.
- Recipient wallet connection at claim time.
- Direct on-chain claim through Rootstock.
- Transparent gift status.
- Deployed and operational on Rootstock Mainnet.
BΔLT Gift provides a simple and understandable onboarding experience for people who may have never previously used Bitcoin or Rootstock.
Instead of beginning with exchanges, trading or DeFi, users can enter the ecosystem by receiving a gift from another person.
A Connected Rootstock Product Ecosystem
Although each product addresses a different need, all four applications share the same principles:
- Non-custodial architecture.
- User-controlled wallets and assets.
- Transparent smart contract execution.
- Practical Bitcoin utility.
- Rootstock Mainnet deployment.
- Simple experiences for users and organizations.
- No dependence on JXLabs as a financial intermediary.
Together, BΔLT, BΔLT Pro, BΔLT Payments and BΔLT Gift demonstrate JXLabs’ long-term commitment to building and maintaining a growing portfolio of real applications on Rootstock.
Our objective is not to develop a single isolated product, but to create a connected suite of Bitcoin-native applications for individuals, families, companies, protocols and communities.
₿ Why Rootstock
Rootstock gives JXLabs the smart contract programmability required to create Bitcoin-aligned applications without abandoning the Bitcoin ecosystem.
For BΔLT, Rootstock enables:
- Programmable and transparent inheritance conditions.
- Non-custodial RBTC vaults.
- Support for Bitcoin-backed assets such as DoC and BPRO.
- Low-friction check-in, cancellation and claim transactions.
- Compatibility with established EVM wallets and developer tooling.
- Integration with other applications and assets within the Rootstock ecosystem.
Rootstock allows us to build experiences that would be significantly more difficult to implement directly on Bitcoin L1 while maintaining Bitcoin as the underlying economic foundation.
Our Rootstock Numbers
The following figures will be calculated from the Mainnet contracts and published with direct Blockscout links in previous section.
Value We Bring to the Rootstock Ecosystem
Real-world Bitcoin utility
JXLabs focuses on use cases that people can understand without first becoming traders or DeFi specialists.
Inheritance, gifting, savings and payments provide practical reasons for users and businesses to interact with Bitcoin and Rootstock.
New users to Rootstock
Products such as BΔLT and BΔLT Gift can introduce Rootstock through familiar human needs:
- Protecting family wealth.
- Planning digital inheritance.
- Giving Bitcoin to another person.
- Preserving access to assets over time.
- Making programmable payments.
This provides an onboarding path based on utility rather than speculation.
Increased usage of Rootstock assets
BΔLT supports RBTC and integrates Bitcoin-backed ecosystem assets such as DoC and BPRO.
Each new vault, check-in, cancellation and claim creates verifiable activity on Rootstock and introduces users to Rootstock wallets, gas and assets.
Open-source builder value
The BΔLT smart contracts are publicly available for review and testing.
Our work can also help create reusable knowledge for other builders working on:
- Time-based vaults.
- Inactivity mechanisms.
- Non-custodial asset continuity.
- Factory-deployed user contracts.
- Bitcoin-backed consumer applications.
Security and transparency
BΔLT underwent an independent smart contract audit by Coinspect.
We believe applications responsible for long-term user assets must prioritize transparent code, security reviews, documentation and responsible communication about risks.
Ecosystem integrations
JXLabs products are designed to create synergies with other Rootstock builders and assets, including:
- Money on Chain assets.
- Rootstock wallet infrastructure.
- Stablecoin protocols.
- Payment and onboarding providers.
- Other consumer applications built on Rootstock.
External awareness
JXLabs promotes Bitcoin and Rootstock through:
- Public product demonstrations.
- Community events.
- Educational content.
- Social media.
- Bitcoin conferences and speaking engagements.
- Collaboration with other builders in Latin America and internationally.
Backer Reward Percentage
We propose to set the initial JXLabs Backer Reward Percentage at 50%.
This means that 50% of the Collective Rewards generated through the backing received by JXLabs will be distributed among the community members backing our Builder, while the remaining 50% will be retained by JXLabs.
The portion retained by JXLabs will be used to support:
- Continued product development.
- Maintenance of our Mainnet applications.
- Smart contract security and testing.
- Infrastructure and monitoring.
- Wallet and protocol integrations.
- User support and documentation.
- Community engagement and onboarding.
- Growth of the JXLabs product ecosystem on Rootstock.
We selected 50% because we believe it creates a fair and sustainable alignment between JXLabs and its backers.
Backers receive a meaningful share of the rewards generated through their support, while JXLabs retains sufficient resources to continue maintaining and improving BΔLT, BΔLT Pro, BΔLT Payments and BΔLT Gift.
Our objective is to build a long-term relationship with the Rootstock community rather than maximize short-term backing through a reward percentage that would leave insufficient resources for continued development.
We will monitor backing levels, community feedback and the resources required to maintain our products. Any future adjustment to the Backer Reward Percentage will be communicated transparently to the community.
Links & Resources
| Resource | Link |
|---|---|
| JXLabs Website | https://jxlabs.xyz |
| BΔLT Website | BΔLT | Bitcoin & Digital Asset Continuity |
| BΔLT dApp | https://balt.jxlabs.xyz |
| BΔLT Whitepaper | BΔLT Whitepaper |
| BΔLT Smart Contracts | GitHub |
| BΔLT Installers | GitHub |
| Coinspect Audit | Audit Report |
| BΔLT Pro | BALT Pro | JXLabs |
| BΔLT Payments | BALT Payments | JXLabs |
| BΔLT Gift | BALT Gift | JXLabs |
| JXLabs X | jxlabs (@jxlabs) / X |
| BΔLT X | BΔLT (@BALTprotocol) / X |
| BΔLT Instagram | BΔLT (@baltprotocol) |
| Founder X | Jon ₿ravetti (@Jonbravetti) / X |
| Telegram | JXLABS TELEGRAM LINK |
Conclusion
JXLabs has already demonstrated a long-term commitment to building practical Bitcoin applications on Rootstock.
With BΔLT, BΔLT Pro, BΔLT Payments and BΔLT Gift already deployed on Rootstock Mainnet, we have moved beyond the idea stage and established a growing ecosystem of non-custodial products focused on inheritance, organizational continuity, programmable payments and Bitcoin gifting.
Our objective is to continue improving these products, expanding their adoption and developing new applications that bring real utility to Bitcoin and the Rootstock ecosystem.
Becoming an Activated Builder would help JXLabs sustain the team, infrastructure, security and ongoing development required to maintain and grow these applications while we continue working toward long-term, independent revenue generation.
With an initial Backer Reward Percentage of 50%, we aim to establish a fair and sustainable alignment between JXLabs and the community members who support our work.
We believe Collective Rewards can help transform the progress already achieved into a more sustainable development model, allowing JXLabs to continue contributing consistently to Rootstock.
We welcome feedback, questions and suggestions from delegates, backers and fellow builders, and we look forward to continuing to build alongside the Rootstock community.
Thank you for considering JXLabs for activation in the Collective Rewards program.
JXLabs team
