Cardano Blockchain Ecosystem Budget: Amaru Node Development 2025
228 DReps voted · 62 with a rationale · 7 re-voted unchanged
Open a row to read the rationale.
- YesRevoted457.4M ₳History
Earlier votes
Yes1y agoSuperseded
- Yes441.6M ₳Rationale
I will vote YES to Amaru's 1.5M ADA budget.
- It directly corresponds to the DRep-approved roadmap.
https://committees.docs.intersectmbo.org/intersect-product-committee/committee-outcomes/2025-cardanos-roadmap/2025-proposed-cardano-roadmap… - Amaru has undergone very extensive socialization and already has broad community support.
- There are close communication with the IOE's Haskell engineering team
Node diversity workshop：https://forum.cardano.org/t/node-diversity-workshop-april-2025/145248… - It has the qualities of a public good that should garner support from the treasury.
- The cost breakdown is clear and appears efficient.
- As others have already posted, there are many other reasons to support Amaru in terms of the benefits to the Cardano ecosystem in general.
- Please let me know if you have any concerns.
AmaruのBudgetに賛成を行います。
・DRep承認済みのロードマップに直接対応しています。
・Amaruは非常に広範な社会化を実施しており、コミュニティの広範な支持をすでに確保しています。
・Node diversity workshopでは IOE's Haskell engineering teamと緊密なコミュニケーションも行われました。
・トレジャリーからのサポートを得るべきパブリックグッドの性質を備えています。
・コストの内訳は明瞭であり、効率的であるように見えます。
・他の人々がすでに投稿しているように、一般的にCardanoエコシステムへの利益の観点から、Amaruをサポートすべき理由は他にも多くあります。
・懸念点などがある方はまたご指摘ください。 - It directly corresponds to the DRep-approved roadmap.
- Yes304.6M ₳Rationale
Summary
EMURGO as a DRep votes Yes on the info governance action
Rationale
At EMURGO, we’ve been closely following the development of Amaru and have great confidence in PRAGMA and its members as leading experts in the field. Their deep understanding of the complexities involved in building a full working Cardano node, combined with their extensive experience in the ecosystem, positions them as the ideal team to tackle the challenges of developing an alternative node implementation.
The existing Cardano node implementation leaves developers with little flexibility, and this is where Amaru’s alternative node can make a big difference. We see the introduction of an alternative node as critical for Cardano’s growth. By reducing reliance on a single node implementation, Amaru will not only increase security but also provide more options for developers. This diversity is essential for attracting new projects and talent, especially those who have been hesitant to join Cardano due to the Haskell-based limitations.
Amaru also aligns perfectly with our vision of decentralizing Cardano’s infrastructure. By offering a competitive alternative, we will improve the flexibility and resilience of the entire ecosystem.
- Yes278.5M ₳No rationale
- Yes216.7M ₳Rationale
TL;DR: EDC voted YES on gov_action1h4y...w9kxxz. Node diversity is important. We are confident that Pragma can deliver Amaru.
- Yes182.6M ₳No rationale
- Yes170.6M ₳No rationale
- Yes105.9M ₳Rationale
この提案は、Cardanoの新たなRust実装ノード「Amaru」の開発を支援するものです。Amaruは、既存のHaskellノードとは異なる技術基盤からCardanoネットワークの堅牢性、可用性、分散性を高めることを目的としています。Cardanoの未来を見据えるなら、ノード実装の多様化は不可欠です。単一実装依存はリスクを高め、将来的な進化・セキュリティ・安定性を阻害しかねません。今回のAmaru開発チームは、Blink Labs、Cardano Foundation、dcSpark、Sundae Labs、TxPipeなど、信頼性と実績を兼ね備えた主要メンバーによって構成されています。また、オンチェーンのスマートコントラクトによる資金管理と、定期的な進捗報告を予定しており、透明性・説明責任も十分に配慮されています。この取り組みは、Cardanoの長期的発展と自立性を支える極めて重要なインフラ投資であり、短期的なリターンでは測れない本質的価値を持つものです。よって本提案には賛成し、未来のCardanoネットワーク強化を支持します。
This proposal supports the development of a new Rust implementation node for Cardano, "Amaru." Amaru aims to increase the robustness, availability, and decentralization of the Cardano network from a different technical foundation than the existing Haskell node. Looking to the future of Cardano, diversification of node implementations is essential. Dependence on a single implementation increases risk and may hinder future evolution, security, and stability. The Amaru development team is composed of key members with a reliable and proven track record, including Blink Labs, Cardano Foundation, dcSpark, Sundae Labs, and TxPipe. In addition, funds will be managed by on-chain smart contracts, and regular progress reports will be made, with due consideration given to transparency and accountability. This initiative is an extremely important infrastructure investment that supports Cardano's long-term development and independence, and has intrinsic value that cannot be measured by short-term returns. Therefore, I support this proposal and support the strengthening of the future Cardano network.
- Yes96M ₳No rationale
- Yes93.3M ₳Rationale
I voted YES for the Amaru project.
Node diversity is critical for decentralization and network resilience. When multiple independent teams build node software, it reduces reliance on a single entity, such as IOG in the case of Cardano. It minimizes the systemic risks associated with monoculture software development.
One of the core promises of blockchain networks is high availability, including strong resistance to attacks and censorship. While no system can guarantee 100% uptime, having multiple node implementations increases the network’s robustness. If a bug or vulnerability is present in one version, others may remain unaffected, limiting potential damage.
Encouraging additional node implementations also deepens understanding of the protocol. As more developers build and maintain nodes, they contribute to refining the protocol specification, surfacing ambiguities, and improving long-term maintainability. This also supports future clients by setting a clearer and more battle-tested standard.
For comparison, Bitcoin is largely dependent on a single implementation: Bitcoin Core. While there are alternatives (e.g., btcd, Bitcoin Knots), they are rarely used, making the network heavily reliant on a single development team. This centralization becomes especially visible during governance disputes, such as those surrounding the use of the OP_RETURN opcode and Ordinals.
In contrast, Ethereum has multiple actively maintained implementations for both its consensus and execution layers. These include clients like Geth, Nethermind, Besu, Erigon (execution), and Prysm, Lighthouse, Teku, Nimbus (consensus). This diversity has strengthened Ethereum's decentralization and made the network more resilient to bugs and performance issues in any single client.
Node diversity, however, comes with challenges. Divergent implementations can lead to consensus bugs or temporary chain splits if not carefully tested. Coordinated testnets and protocol-level specification clarity are essential to mitigate these risks. Protocol upgrades may also take longer, as all implementations must integrate and validate changes, such as the upcoming Ouroboros Leios, which both IOG and Amaru nodes will need to support.
Sustained funding is another consideration. Maintaining multiple full node implementations is resource-intensive and will likely require long-term support from the Cardano Treasury. However, the cost is justified by the increased decentralization, security, and community participation that such diversity brings.
The Amaru team's funding request is reasonable, especially compared to the budgets that IOG requires. The team includes respected developers from within the Cardano ecosystem and is supported by several reputable entities. Their proposed Rust-based node implementation would be a serious alternative to IOG’s Haskell-based Cardano node, marking a crucial step forward for ecosystem resilience.
This initiative strengthens decentralization, improves protocol robustness, and represents a healthy evolution of the Cardano network.
- Yes89.4M ₳Rationale
Cardano needs a diverse set of nodes. This project is joined by a team of specialists who have contributed to the Cardano ecosystem so far.
- Yes89.1M ₳No rationale
- Yes83.9M ₳Rationale
As the DRep representing SIPO, SIPO vote YES on the “Amaru Node Development 2025” proposal.
SIPO strongly support this initiative as a foundational investment in the long-term decentralization, resilience, and public infrastructure of the Cardano blockchain.
One of Cardano’s strengths—its robust Haskell-based node—also presents a critical centralization risk: dependency on a single codebase and implementation. Amaru directly addresses this concern by delivering a high-assurance, Rust-based, modular, and lightweight alternative node. The project also aims to be interoperable with emerging platforms such as WebAssembly and RISC-V, further increasing accessibility and diversity in node deployment.
SIPO emphasize the following reasons for our support:
Decentralization: This is the first major initiative to reduce single-client dependency within Cardano, providing infrastructure redundancy and removing central points of failure at the node level. A second, independently developed node aligns with the core principle of Byzantine-resilient decentralization.
Public Good & Open Source: Amaru is maintained by PRAGMA, a non-profit open-source association comprised of reputable Cardano ecosystem contributors including Blink Labs, dcSpark, Cardano Foundation, TxPipe, and Sundae Labs. The project is fully transparent, publicly documented, and built for the entire community.
Technical Innovation: The implementation in Rust ensures modern tooling, increased contributor accessibility, and long-term maintainability. The WebAssembly compatibility paves the way for broader deployment environments and novel use cases.
Fiscal Responsibility: The proposal includes a clear and itemized budget, defined scopes per module owner, 25% contingency allocation, and an on-chain smart contract to control fund disbursement. Scope owners can return unused contingency funds to the Treasury. The reporting cadence (quarterly) and regular public demos show operational maturity and transparency.
Constitutional Compliance: The proposal is aligned with the Cardano Constitution and falls well within the active Net Change Limit (NCL). The maintainers have thoughtfully included a constitutionality checklist to affirm legal and governance compliance.
From a governance perspective, this proposal is exemplary in its clarity, structure, execution plan, and systemic benefit to the ecosystem.
SIPO consider Amaru not just another software project but an essential national infrastructure for a resilient, multi-client Cardano. It sets a precedent for sustainable public goods development in a decentralized governance system.
For these reasons, we enthusiastically vote YES.
- Yes80.4M ₳No rationale
- Yes78.6M ₳Rationale
优先支持增强去中心化和底层技术架构的提案。
- Yes75.3M ₳Rationale
I voted yes on the Cardano Blockchain Ecosystem Budget: Amaru Node Development 2025 proposal because one of my core objectives is decentralization. Amaru will enhance node diversity, resilience, and the long-term sustainability of the blockchain. The team is composed of reputable contributors to Cardano, and the choice of Rust brings strong security guarantees and a rich ecosystem of tools designed for building high-assurance systems. This not only strengthens code reliability but also invites new contributors. It’s a high-impact investment for the cost and an essential step toward a more decentralized and robust Cardano ecosystem.
- Yes69.8M ₳No rationale
- Yes55.4M ₳Rationale
I’m supporting the Amaru Node project, which promotes alternative approaches to running Cardano nodes. Offering multiple ways to interact with the Cardano blockchain fosters greater diversity among development teams and strengthens technological decentralization. While improved transparency in financial management is still needed, this project represents a significant advancement for our blockchain ecosystem.
- Yes50.8M ₳Rationale
Definitely Yes. Having multiple, diverse nodes from different teams is critically important for any decentralized system, including Cardano.
- Yes43.3M ₳No rationale
- Yes42.9M ₳No rationale
- Yes42.3M ₳No rationale
- Yes41.6M ₳No rationale
- Yes40.2M ₳No rationale
- Abstain39.5M ₳Rationale
I am voting to abstain on the Amaru Node Development budget info action with hash
bd488931f792651fefa9c6fda185a2c6cec83245b51d994e33090ce36e29cc26#0.I am abstaining because of a potential conflict of interest. I am one of the scope owners on this project, and Sundae Labs will be one of the development teams employed to help deliver on the goals of the project, and so I cannot in good conscience vote on this proposal. That being said, I believe very very strongly in the need for Node Diversity. Beyond just the added robustness to the network, reimplementing the Cardano protocol in another language is a forcing function: all of the design decisions, implementation details, and protocol trivia must be opened and re-examined in order to build a node. As we do so, we are making sure to document these things clearly, making them accessible to any who want to build on Cardano, from nodes. The beneficiaries of this effort extend far beyond those building alternative nodes, but to those building tooling, dApps, and interconnectivity solutions. Building an alternate node will help decentralize not just the network, but the brain trust of the entire protocol.
Additionally, while some hold reservations about how it may impact delivery timelines of other projects, I'm actually quite optimistic. I believe that having a fresh, lower risk code base to experiment in may ultimately accelerate some of these roadmap items like Leios or Starstream.
So, while I am abstaining on a matter of principle, if you are looking for guidance on how I would have voted absent that conflict, it would be a resounding yes.
- Abstain38.1M ₳No rationale
- Abstain37M ₳No rationale
- Yes32.4M ₳No rationale
- Yes31.1M ₳No rationale
- Yes30.6M ₳Rationale
Socious Drep votes in favor of this proposal to diversify node implementations in Cardano. This initiative will enhance network stability and sustainability through multiple implementation options.
While Cardano has relied solely on Haskell implementation so far, introducing a Rust-based node - despite being unprecedented - helps mitigate the risks associated with single-implementation dependency.
The lower operating costs for SPOs will reduce barriers to entry, promoting greater network decentralization.
Subject to continued proper maintenance of development and quality control standards, we endorse this proposal as a positive step toward network decentralization and evolution.
- Yes28.7M ₳Rationale
Detailed proposal, reasonable cost for a team with strong track record
- Yes28.7M ₳No rationale
- Yes28.1M ₳Rationale
I’m voting YES on the proposal for Amaru node development because it squarely targets a top‑priority roadmap goal of having an open-source, full-featured alternative node for Cardano. The price tag of 1.5M ADA is modest for the impact and the maintainer committee consists of seasoned experts that have already shipped core Cardano infrastructure.
- Yes27.5M ₳No rationale
- Yes25.9M ₳Rationale
I have voted YES on the current proposal to fund Amaru.
I firmly believe our absolute top priority must be establishing ecosystem sustainability. While introducing new alternative block-producing nodes certainly entails potential to introduce delays in releasing mission-critical scalability components due to the necessity of maintaining compatibility across nodes, I believe the Amaru initiative is critical to solidifying the censorship-resistance of the Cardano mission and introduces a potential path for more cost-effective node development in the long-term. I also believe learnings from building out an alternative node inherently lend to improve the overall integrity of the existing Haskell node.
The Amaru team is solid, reputable and well-deserving of the immense responsibility.
- Yes25.8M ₳No rationale
- Yes23.6M ₳Rationale
First! 🫡
I've been part of the Amaru team.
- Yes22.4M ₳No rationale
- Yes21.7M ₳Rationale
I vote “YES” in favour of the proposed budget for Amaru Node Development 2025. This is an extremely well composed proposal and from a highly respected team in the Cardano ecosystem. It serves as an excellent example of a governance action proposal. It is well-written, making excellent use of markdown which allows for much better readability on sites like GovTool, and provides excellent transparency by providing numerous links to websites, code repositories and profiles of key contributors, as well as a detailed cost breakdown for the requested amount of 1.5M ada. The proposal also provides a detailed administration and reporting framework to improve transparency and provides accountability measures.
The need for the development of alternative node options, in addition to the long-standing and successful Haskell node implementation that has served as the backbone of the Cardano ecosystem to date, has gained significant traction in recent months. The importance of which was highlighted by the recent Node Diversity workshop held in Paris alongside Paris Blockchain Week 2025, demonstrating some ecosystem consensus that such development would be a suitable area for some treasury allocation for funding.
Finally, at the time of voting, the proposal metadata is hosted via the more immutable medium of IPFS where the file remains accessible and the hash has been verified as matching that provided at the time of proposal submission.
- Yes21.5M ₳No rationale
- Yes20.3M ₳No rationale
- Yes20.3M ₳No rationale
- YesRevoted17.2M ₳History
Earlier votes
Yes1y agoSuperseded
- Yes16.3M ₳No rationale
- Yes15.3M ₳No rationale
- Yes14.2M ₳No rationale
- Yes12M ₳Rationale
本提案に賛成票を投じます。\n\nRustによる新たなノード実装は、Haskellノードへの依存を減らし、多様性を高めるものです。信頼ある5団体がPRAGMAの枠組みで推進しており、モジュール性の高い設計、シームレスな操作性、低いハードウェア要件はSPOや開発者の参加しやすさを高めることを意図しています。Cardanoの回復力と分散性を強化する取り組みとして、本提案を支持します。\n\nI vote YES on this proposal.\n\nThis proposal improves node diversity by implementing a new Rust-based node, reducing reliance on the existing Haskell implementation. Led by five trusted entities under a clear governance framework (PRAGMA), it emphasizes a modular design, seamless user experience, and low hardware requirements - which are intended to improve accessibility for SPOs and developers. I support this effort to strengthen Cardano’s resilience and decentralization.
- Yes11.9M ₳Rationale
As Wada DRep, we represent a decentralized and globally connected network of Cardano community builders, innovators, and voters; many based across Africa and the diaspora. Our role in constitutional governance is to act in the best interests of the ecosystem while reflecting the priorities of our community and honoring our internal deliberative frameworks.
After careful review and deliberation, we have voted YES on the Amaru Node Development proposal, which requests ₳1.5 million in Treasury funding to support the project’s second phase in 2025. The Amaru project represents more than a technical milestone; it is a foundational step toward realizing the full vision of a resilient, multi-client, and decentralized Cardano. It embodies constitutional alignment, budgetary discipline, and strategic foresight, and its success or failure will significantly shape the ecosystem’s credibility and progress.
Cardano currently operates with a single block-producing node, i.e.,the Haskell node maintained by IOG. While it has served the network well, relying on one implementation creates systemic risk:
*A single point of failure, with no fallback in case of critical bugs.
*Limited validation of protocol conformance and specs.
*Bottlenecks in innovation, observability, and integration across environments.
Amaru addresses these by introducing a fully interoperable, modular node in Rust, which brings improved performance, memory efficiency, and cross-platform capabilities (e.g., WebAssembly, RISC-V). A second node implementation increases network resilience, fosters protocol transparency, and accelerates feature experimentation without compromising safety.
The Amaru proposal is a textbook example of what Voltaire-era BIA should look like:
*It complies fully with Articles IV.1 through IV.4 of the Cardano Constitution.
*It proposes a multi-signature smart contract system to manage disbursements.
*Each scope of work has a clearly defined owner and budget.
*Safeguards include milestone-gated releases, pause-payment mechanisms, refund capabilities, and credential rotation.
Amaru is governed by PRAGMA, a nonprofit association formed by core ecosystem teams: Blink Labs, dcSpark, Sundae Labs, TxPipe, and the Cardano Foundation. This collaboration brings together some of the most experienced contributors to Cardano’s open-source tooling and node infrastructure. Moreover, the team has committed to:
*Quarterly progress reports, made public via GitHub.
*Working demos every 4–6 weeks, showcasing real deliverables.
*Ongoing community visibility and documentation of all development efforts.
These commitments far exceed the transparency baseline expected of Treasury-funded initiatives.
The proposal seeks ₳1.5 million to fund 6 full-time contributors over six months. This includes a 25% contingency for complexity and overhead, based on a $0.50/ADA conversion rate. The networking scope, already funded via Catalyst, is excluded from this ask.
In relative terms, this is a small investment for a high-impact project, especially considering that community-signaled proposals totaling over ₳275 million is also up for vote.
Rejecting the Amaru Node proposal would have negative ripple effects:
*It would delay node diversity, exposing Cardano to prolonged infrastructure fragility.
*It would discourage developers from engaging in critical protocol-level work.
*It would undermine the credibility of the on-chain governance and treasury processes we are working to legitimize.
*It could stifle future-forward innovation, such as light clients, WASM support, and modular architecture.
The message it would send is that even the most constitutionally aligned, community-driven, technically sound proposals are not safe from political or procedural paralysis.
- No10.2M ₳No rationale
- Yes9.5M ₳Rationale
I'm fully supportive of node diversity on Cardano. This is something we can work on while doing other developments in the ecosystem that are just as important. I'd prefer to see a completed smart contract to reference for future treasury withdrawals, however the roadmap on how it's going to be laid out and the team working on it is sufficient for now.