We're excited to announce expanded support for security storage solutions and backend services:

What's New

• Enhanced Security Key Management

  • Added support for Google Secret Manager as an alternative to HashiCorp Vault
  • You can now securely store private keys and sensitive data in either service
  • Flexible configuration options to choose your preferred key management solution

• New Backend Storage Options

  • Google Cloud Storage (GCS) is now supported as a backend for Pulumi state storage
  • This provides more flexibility in how you manage your infrastructure state

• Additional Cache Provider

  • Google Cloud Memorystore for Redis is now available as an alternative to self-hosted Redis
  • Seamlessly switch between Redis implementations based on your infrastructure needs

Breaking Changes

• Helm Values Configuration Update
  • The Pulumi state connection URL configuration has been renamed:
    • Old: deploymentEngine.state.s3connectionUrl
    • New: deploymentEngine.state.connectionUrl
  • Action Required: Update your Helm values to use the new variable name when upgrading

How to Get Started

• Upgrade to the latest Helm chart version of our platform to enable these new features
• Update your Helm values to use the new connection URL variable name
• To use Google Secret Manager, update your security configuration in the platform settings
• For GCS backend storage, specify GCS as your Pulumi state backend in your configuration
• To utilize Google Memorystore, configure it as your cache provider in the platform settings

What's Changed

• Added new configuration options for security storage providers
• Extended backend storage capabilities
• Expanded cache provider options
• Renamed Pulumi state connection URL configuration variable

Note: Existing configurations using HashiCorp Vault, default Pulumi backends, or Redis will continue to work without any changes. However, if you're using S3 for Pulumi state storage, you must update your Helm values to use the new connection URL variable name.

We're excited to announce the release of the SettleMint SDK, a powerful toolkit designed to streamline blockchain integration into modern applications. This comprehensive solution provides developers with everything needed to build and integrate blockchain solutions effectively.

Key Features

• Comprehensive Integration: Complete suite of tools for interacting with SettleMint's blockchain platform services including Smart Contracts, Smart Contract Portal Middleware, The Graph Middleware, IPFS, MinIO, and Blockchain Explorer
• Modular Architecture: Specialized packages that let you pick and choose the exact blockchain functionalities your application needs
• Developer Experience: Rich development tools with CLI capabilities and extensive documentation to accelerate your development process
• Enterprise Ready: Production-grade components with built-in support for Next.js, GraphQL, and other enterprise technologies
• Type Safety: Full TypeScript support across all packages, ensuring strong typing and modern development patterns

The SDK simplifies blockchain development by providing pre-built components, utilities, and integrations while maintaining high standards for type safety, performance, and developer experience. Whether you're building a new blockchain application or integrating blockchain capabilities into an existing system, the SettleMint SDK provides the tools you need.

The SDK is open source and available under the FSL Software License. To get started, visit our SDK documentation or explore the SDK GitHub repository.

Note: This is just the beginning! We'll be continuously expanding the SDK's capabilities based on developer feedback and needs. Stay tuned for more updates and features.

We've made some exciting changes to improve your development experience:

What's New

• We've introduced a new Dev Tools section that will host various services aimed at making the development of decentralized applications easier
• The first tool we're launching is Code Studio - our Integrated Development Environment (IDE) based on Visual Studio Code
• Smart contract sets are now available as the first type of Code Studio
• For more information on Dev Tools, please refer to the Dev Tools documentation

What's Changed

• The "Smart contract sets" service has moved into Dev Tools
• Don't worry - all the same great features of Smart contract sets are still there, just in a new home!

Coming Soon

Stay tuned for more types of Code Studios that will make building decentralized applications even easier!

Note: All existing Smart contract sets functionality remains unchanged - we've just reorganized things to make room for more developer tools.

We're excited to introduce the Zeto Smart Contract Set, bringing comprehensive zero-knowledge token capabilities to the SettleMint platform.

Token Types​

Fungible Tokens​

1. Zeto_Anon

   • Basic anonymous transfers
   • Privacy-preserving transactions
   • Standard fungible features

2. Zeto_AnonEnc

   • Encrypted anonymous transfers
   • Enhanced privacy features
   • Encrypted transaction data

3. Zeto_AnonNullifier

   • Anonymous with nullifiers
   • Prevents double-spending
   • Transaction tracking without revealing details

4. Zeto_AnonNullifierKyc

   • KYC-enabled anonymous transfers
   • Regulatory compliance features
   • Identity verification while maintaining privacy

5. Zeto_AnonEncNullifier

   • Encrypted transfers with nullifiers
   • Combined encryption and tracking
   • Maximum privacy with spending controls

6. Zeto_AnonEncNullifierKyc

   • KYC-enabled encrypted transfers
   • Full suite of privacy features
   • Compliant with regulatory requirements

Non-Fungible Tokens​

1. Zeto_NfAnon

   • Basic anonymous NFTs
   • Private ownership
   • Hidden transfer history

2. Zeto_NfAnonNullifier

   • NFTs with nullifiers
   • Trackable unique assets
   • Privacy-preserving ownership transfers

Zero-Knowledge DVP (Delivery vs Payment)​

• Atomic swaps between any token types
• Private order matching
• Secure settlement verification

Testing, Deployment & Trusted Setup​

• Fast test deployments with pre-configured environments
• Local development setup
• Production deployment helpers & MPC trusted setup guides

Subgraph Integration​

Pre-configured subgraph templates for all contracts

Open Source Zeto Deployment​

• Zeto smart contracts repository: github.com/settlemint/solidity-zeto

We've significantly simplified the subgraph deployment process. Here's what's changed:

Previously:

• Required deploying a smart contract set
• Required IPFS deployment
• Middleware needed explicit connections to both smart contract set and IPFS
• Subgraphs could only be deployed to middlewares from their connected smart contract set

Now:

• Deploy middlewares independently without a smart contract set or IPFS required
• Deploy subgraphs from any smart contract set to any middleware within an application

Key Benefits:

• Simplified architecture: Reduced deployment complexity and dependencies
• Cost efficiency: Reuse graph middlewares across different smart contract sets
• Enhanced flexibility: Freedom to deploy subgraphs from any smart contract set to any middleware

SettleMint is excited to announce a powerful new feature: Run Anything with Custom Deployments! This feature revolutionizes how users can deploy decentralized applications (dApps) on our platform, offering unprecedented flexibility and control. Whether you’re developing a fintech platform, an NFT marketplace, or a DeFi solution, Custom Deployments let you seamlessly integrate your custom-built front-end and web technologies while leveraging the robust blockchain backend that SettleMint provides.

With Custom Deployments, you now have the freedom to design applications according to your specific needs. This includes using custom domains for a more professional appearance, integrating advanced functionalities, and selecting the best infrastructure for your use case. The platform allows for flexible application design, which means you can use your preferred frameworks, programming languages, and design architectures without limitations. For instance, a fintech company developing a peer-to-peer lending platform can now deploy a user-friendly interface that meets their precise user requirements, streamlining the entire deployment process.

Moreover, this feature unlocks enhanced scalability and security for your dApps. With SettleMint’s scalable infrastructure, you can handle high traffic and performance peaks seamlessly, ensuring your application grows as your user base expands. Additionally, our secure environment ensures your deployments meet the highest security standards, making Custom Deployments perfect for businesses that need to maintain trust and reliability with their users, such as investment firms launching asset tokenization platforms or DeFi platforms managing cross-chain transfers.

We’re excited to introduce a new feature in SettleMint that lets you connect directly to existing Hyperledger Besu and Quorum blockchain networks run by other organizations. This is a big win for businesses already involved in blockchain consortia or those looking to join one. With this feature, you can create nodes on the SettleMint platform and easily integrate with these permissioned networks, making collaboration with external partners more streamlined and secure.

For companies working within consortia, this feature simplifies the process of joining networks that are already up and running. Whether you’re part of a supply chain network, a financial services consortium, or any other multi-party blockchain setup, you can now seamlessly connect without needing to build or manage the entire network yourself. This opens the door to stronger collaboration and more efficient operations, as all members of the consortium can easily contribute while maintaining control over their own nodes.

By allowing organizations to integrate into these existing networks, this feature helps businesses accelerate their blockchain journey. It’s a powerful tool for enhancing transparency, security, and trust between partners in a consortium. With SettleMint, you can now tap into the benefits of shared blockchain networks with minimal setup, helping your enterprise grow and innovate alongside trusted collaborators.

SettleMint’s support for the Soneium testnet is a significant boost for developers wanting to build on this efficient blockchain platform. Soneium is designed for scalability and offers a great environment for testing decentralized applications (dApps) before going live. With this integration, developers can take advantage of SettleMint’s powerful tools while experimenting with Soneium’s features, like low transaction costs and high processing speed. This makes it easier for teams to test their applications effectively and make quick adjustments as needed.

By supporting the Soneium testnet, SettleMint improves the development experience by providing a secure and flexible space for developers to refine their applications. Users can easily deploy their dApps on the Soneium testnet, benefiting from its advanced features while using SettleMint’s straightforward interface and tools. This partnership not only encourages innovation but also helps developers create more reliable and efficient blockchain solutions, supporting the growth and adoption of the Soneium ecosystem.

SettleMint is also committed to supporting the Soneium mainnet as soon as it goes live. This means that developers who have been testing their applications on the Soneium testnet can seamlessly transition to the mainnet without any disruptions. By providing immediate support for the mainnet, SettleMint ensures that developers can launch their dApps confidently, leveraging the full capabilities of the Soneium blockchain from day one. This approach not only streamlines the deployment process but also allows teams to continue building on the solid foundation they established during their testing phase, making it easier to bring innovative solutions to the market.

The User Wallet Manager feature within SettleMint provides a sophisticated and elegant solution for account management and identity masking through the use of Hierarchical Deterministic (HD) wallets. These HD wallets generate a structured hierarchy of private/public key pairs from a single master seed, allowing users to create a unique address for every transaction. This approach not only enhances privacy and security—since the addresses are related but not publicly linked—but also streamlines the management of keys. Users can efficiently create multiple child wallets under a single parent wallet, making it easy to categorize funds and back up their assets securely.

One of the most significant benefits of the User Wallet Manager is its ability to mask user identity on a per-transaction basis. This feature provides an unlimited supply of account addresses, each with its own unique, untraceable private key. Organizations can manage different transaction classes or allocate accounts for various end users, significantly enhancing operational flexibility. This capability is especially beneficial for businesses that require distinct accounts for different functions, enabling them to avoid key reuse and duplicate signing, which can pose security risks.

Moreover, the User Wallet Manager’s HD wallet functionality greatly simplifies asset management for both individuals and enterprises. By allowing businesses to partition separate wallets within their organization, it enhances organizational efficiency and security. The ability to recover entire wallet structures from a single master seed minimizes the risk associated with losing individual keys, making it an attractive option for financial services looking to deliver a secure blockchain solution.

The feature to customize Kubernetes deployment settings within SettleMint offers users an intuitive user interface (UI) that simplifies the management of deployed services in self-managed installations. This UI provides a comprehensive set of options for adjusting key deployment parameters, such as annotations, labels, tolerations, affinity, and node selectors. By making these customization options readily accessible, SettleMint enables users to tailor their Kubernetes configurations to better align with their specific operational needs and infrastructure requirements, fostering a more efficient and optimized deployment process.

One of the standout benefits of this feature is its ability to facilitate seamless integration into existing infrastructure. Organizations often have unique requirements based on their operational environment, and the customization options provided by SettleMint empower users to implement any necessary settings effortlessly. This flexibility ensures that deployments can adhere to organizational policies and best practices while maintaining compatibility with the broader Kubernetes ecosystem. By allowing users to specify their desired configurations directly through the UI, SettleMint reduces the complexity typically associated with Kubernetes management, allowing teams to focus on their core business objectives.

Moreover, the customization of deployment settings significantly enhances the scalability and resilience of services within the Kubernetes environment. By leveraging advanced features like affinity and tolerations, users can optimize resource allocation and improve workload distribution across nodes, leading to better performance and reliability. The ability to modify labels and annotations also aids in effective resource management, enabling users to implement advanced monitoring, logging, and orchestration strategies tailored to their needs. Overall, this feature empowers users to harness the full potential of their Kubernetes deployments, ensuring they can operate efficiently and effectively within their own customized infrastructure.