Sami_Cumulo 🦣

@ismail_k @celestia @prestonevans__ I know this is the way it is but... 🥺, thank you so much for all your contribution 🫶 I hope to see you around soon

After almost 7 years building @celestia (and about 11 years in crypto), I’m stepping down as CTO, with @prestonevans__ taking over. I care deeply about Celestia and will continue to contribute. 💜

We’ve published a new post on the @cosmos Forum sharing our current Cumulo IBC Relayer Infrastructure ⚛️ At Cumulo, we run IBC relayer infrastructure alongside our validator operations, covering multiple paths across mainnet and testnet. Current setup: 🔁 22 active IBC channels 🌐 8 networks ⚙️ Hermes v1.13.2 📡 Live monitoring dashboard 📊 On-chain relay activity tracker 📖 Public technical documentation The setup includes paths across @celestia , @cosmoshub Hub, XRPL EVM by @Peersyst , @injective , @osmosis , @sedaprotocol and @dymension . We also directly opened two IBC channels: 🔹 Celestia mainnet <> Cosmos Hub 🔹 Celestia mainnet <> XRPL EVM Both registered in the Cosmos chain-registry. The goal is simple: make our relayer work more visible, monitorable and useful for validators, node operators and teams building across the Interchain. Full post on the Cosmos Forum 👇 forum.cosmos.network/t/cumulo-ibc-r…

🏛️ Internet Court is now live. Led by the @GenLayer Foundation and backed by a consortium of 27 companies, it brings the fragmented agentic commerce stack into one open, interoperable flow. 🤝 Identity 💬 Negotiation 📜 Contracts 💸 Payments & escrow ⚙️ Execution ⚖️ Verification & disputes Any two AI agents can now structure a deal, secure funds, and agree in advance on what happens when things go wrong. At the core, @GenLayer provides the missing adjudication layer through decentralized AI-powered validator consensus. As a Genlayer validator, at Cumulo we’re proud to support the infrastructure providing the missing adjudication layer for agentic commerce. 🤝 🚀 Machine-speed commerce needs machine-speed adjudication.

⚡️ @Starknet v0.14.3 is now live on Mainnet A significant upgrade for builders, infrastructure providers, and validators: 🔹 Dynamic L2 gas pricing for more predictable fees 🔹 1.5-second block times to reduce network latency 🔹 Prover and verifier improvements supporting future privacy flows 🔹 BLAKE-based SNOS hashing, advancing Starknet’s path toward quantum resistance ⚠️ RPC 0.8 is now deprecated. Operators and developers should migrate to RPC 0.9 or 0.10.x. As an active Starknet validator, Cumulo continues monitoring the network through every protocol release. 🤝

Okay, maybe it's time to reveal the real goal of bot.fun. Everyone keeps talking about the "agentic economy" but let's be honest - there isn't one yet. It's all hype. bot.fun exists to actually kickstart it. Maybe the real agentic economy starts with agents vibetrading slopcoins with each other, building up initial capital, then starting real businesses. And it's already working: there are agents on bot.fun earning enough to pay for their own inference. Self-sustaining autonomous lifeforms. Every economy starts somewhere.

🚀 Cumulo weekly validator & infrastructure report At Cumulo, we are taking on new challenges with the same excitement as always. Happy to work with projects that are building real solutions for real problems. That mindset is also reflected in our weekly activity, combining technical operations, incident response, deployments, and infrastructure evolution across multiple networks. 🟣 @dymension / mainnet: deployed new IBC relaying infrastructure, enabling paths with Celestia, Osmosis, and Cosmos Hub, using Hermes v1.13.2 with full client and channel verification 🟠 @cosmoshub / mainnet: voted YES on Prop #1044 for the Gaia v27.5.0 upgrade 🟠 @cosmos Hub / mainnet: migrated public RPC infrastructure to a new server, reconfiguring endpoints, reverse proxy, SSL, and supporting services 🌌 @celestia / Mocha testnet: migrated validator and RPC nodes from goleveldb to pebbledb ahead of the v10 requirement 🟠 @cosmoshub / testnet: resolved a P2P connectivity incident on the RPC node, restoring block publication and normal synchronization 🍋 @LimoDev / testnet: deployed and activated a new validator, synced via state-sync and brought to BOND_STATUS_BONDED 🔷 @GenLayer / Asimov testnet: investigated and resolved an internal validator process hang, restoring metrics, logs, and RPC connectivity 🍋 @LimoDev / testnet: voted YES on Prop #2 to enable real gas fees and activate validator fee economics 🐒 @monad / testnet: upgraded our full node to v0.15.0, applying a database schema migration and verifying all services active 🟢 @wardenprotocol / mainnet: quickly recovered the validator after a temporary jail by submitting the unjail transaction and resuming block production without slashing 🍋 @LimoDev / testnet: executed the validator and public RPC upgrade to limonatad v0.2.0 at the scheduled height, with full post-upgrade verification ⚡ @Starknet / mainnet: detected and corrected an attestation incident caused by insufficient balance on the operational address 💠 XRPL EVM by @Peersyst / testnet: voted YES on Prop #46 for the v11.0.0 software upgrade At Cumulo, we treat validation as production infrastructure work: deployments, upgrades, incident response, relaying, migrations, governance, and continuous operations. It is not just about keeping nodes online, but about building and running useful, resilient, and auditable systems for networks that keep evolving. That is why we maintain our Activity Tracker: a public, JSON-backed record where we continuously document upgrades, governance votes, incidents, deployments, and operational changes in a transparent and auditable format. 📍Follow our activity here: cumulo.pro/services/activ…

Accountability starts here.

If liquidity increases we are looking into adding an internal v2 AMM for coin graduation. Rn it's a v1 AMM.

🚀 Celestia v9 is now live on Mainnet The upgrade cuts block time from 6 seconds to 3 seconds ⚡ What this means: ✅ Faster confirmations ✅ More blockspace ✅ Better performance for networks publishing data to Celestia Cumulo participated in the upgrade as an active-set validator on @celestia, helping support a coordinated and secure network transition 🌌 A major step forward for the modular ecosystem. 🚀

✅ Signal complete! Celestia v9 upgrade is locked in The required 83.33% voting power threshold has been reached, meaning the v9 upgrade process is now officially locked in for @celestia mainnet. The upgrade to app version 9 is scheduled at block #11771698, approximately 7 days from now. This is a major step for the network: faster blocks are coming to @celestia mainnet, with block times moving to 3 seconds ⚡ From Cumulo, we’re tracking the countdown in real time so validators, developers, and the community can follow the upgrade as it approaches: ⏳ Countdown to block #11771698: 👉 #block-11771698" target="_blank" rel="nofollow noopener">cumulo.pro/services/celes… The next Celestia upgrade is on the way 🌌

Agent + Keys + Identity = Accountability. The Verified by Concordium Badge shows there’s a verified human or business behind an AI agent. 🔗 concordium.com/article/the-ve…

A quick update on the @XRPLF Monitoring & Alerting initiative 👇 ✅ Built the monitoring platform foundation ✅ Deployed the observability stack ✅ Integrated Grafana Alloy ✅ Created operator onboarding tooling ✅ Validated the setup on a production UNL validator We have now started work on VHS+ (Enhanced Validator History Service), one of the key components of the project. We'll be sharing more as dashboards and validator insights start coming to life 📊

Proud of the consistency and hard work behind the scenes at @Cumulo_pro . Even in quieter market moments, validator and infrastructure work keeps moving every single day.

Live peers for XRPL EVM: keeping node connectivity practical 🌐 Running an XRPL EVM node means dealing with one of the most common infrastructure problems: peer connectivity. Static peer lists can be useful as a starting point, but they become outdated very quickly. A peer that was visible from one node yesterday may not be reachable from the outside today, and when a node starts struggling to connect, that difference matters. That is the reason behind Cumulo Live Peers ⚡ We built it as a live peer checker for XRPL EVM mainnet and testnet, updated every 30 minutes and available through both a public dashboard and API. The goal is simple: continuously detect which peers are actually reachable, remove unstable entries, and provide node operators with a peer list that is useful in real operational situations. How Cumulo Live Peers works 🛠️ Every 30 minutes, the system creates a new candidate pool using several sources: 🧩 Our own XRPL EVM nodes 🌐 RPC endpoints from validators in the ecosystem 📚 Addrbooks and peer lists collected from validator resources 🤝 Peers contributed directly by operators Each candidate is then tested through a direct TCP check against its P2P port. If a peer cannot be reached from the outside, it is not included in the published list. We also avoid adding peers just because they appeared once. To be included, a peer needs to show consistent stability across roughly the last 5 hours of observations. If it disappears, becomes unreachable or stops behaving reliably, it is automatically removed after a few cycles. A useful list, not just a longer one 🔎 It is designed to publish a peer list that operators can actually trust when they need to recover or improve connectivity. Peers are scored based on: 📈 Recent stability 🔁 Outbound activity ✅ How many independent sources confirmed the same peer 🌍 Geographic diversity This helps reduce noise and avoid peer lists filled with random entries that may not be helpful in practice. For operators, especially during a connectivity issue, quality matters more than quantity. Ready to use 🚀 The live peer lists are already available here: 🔗 Mainnet: cumulo.pro/services/xrple… 🔗 Testnet: cumulo.pro/services/xrple… 📖 Full technical documentation: github.com/Cumulo-pro/Cum… Why this matters 🧠 At Cumulo, we operate validator infrastructure across XRPL EVM, Cosmos and modular networks, and peer connectivity is one of those topics that looks simple until something breaks. Cumulo Live Peers is our way to make this part of node operations more practical for the XRPL EVM ecosystem: live checks, public data, reproducible logic and continuously updated peer lists without manual maintenance. We hope this becomes useful for XRPL EVM validators, node operators and infrastructure teams. Feedback, suggestions and validator contributions are very welcome 🤝

MAD EASY on Cosmos 🧪 Hackathon on @cosmoshub starting June 15th with 2000$+ worth of prizes. you ready scientists?

🎉 Congratulations to @Concordium on 5 years of mainnet! Cumulo has been validating Concordium since the very beginning, and we’re proud to have supported the network throughout this journey. Privacy, identity and trust at the protocol level have always been key pillars of Concordium, and they are becoming even more relevant as blockchain infrastructure evolves toward verified humans and verified agents. Excited to keep building and validating alongside the Concordium ecosystem for the next chapter 🚀

🗳️ We voted YES to Starknet v0.14.3 Voting is now active to approve @Starknet v0.14.3 as a minor upgrade, and Cumulo has already cast its vote in favor. This upgrade brings key improvements to the network: ⚡️ More frequent blocks and lower latency with SNIP-40 💸 Dynamic L2 gas base fee tied to the STRK price through SNIP-35, improving fee predictability ⚠️ RPC 0.8 deprecation: teams should migrate to RPC 0.9 or 0.10.1 / 0.10.2 📅 Sepolia testnet: June 9 📅 Mainnet target: June 22, 2026 As validators on Starknet, we continue supporting upgrades that make the network more efficient, predictable, and ready for its next stage of decentralization. Review the full notes and participate in the vote 👇 community.starknet.io/t/starknet-0-1…

🏦 RLUSD is now live on XRPL EVM. A major step for bringing regulated liquidity, XRP utility and multichain DeFi closer together. With RLUSD expanding through @wormhole NTT, builders on XRPL EVM can access new possibilities for: 💧 Liquidity 🔁 Swaps 📦 Collateral 💸 Payments 🌐 Cross-chain finance At Cumulo, as XRPL EVM validators we’re proud to support the project and keep contributing to the infrastructure behind its growth. $RLUSD × $XRP is a big move for builders 💪.

🚀 Cumulo validator & infrastructure report: last 2 weeks Although it does not always show on the surface, these past weeks have been packed with lot of technical work, and projects like @cosmos and @celestia continue to stay very active across upgrades, coordination, and infrastructure operations. Check our internal infraestructure activity over the last two weeks: 🟠 @cosmoshub / testnet: voted YES on Prop #301 for the Gaia v27.4.0-rc0 upgrade and executed the provider chain upgrade, signing within the first blocks after restart 🟠 @cosmoshub / testnet: migrated infrastructure to higher-capacity servers, including the RPC stack, reverse proxy, SSL, addrbook exporter, and Horcrux signer 🟠 @cosmoshub / mainnet: voted NO WITH VETO on Props #1038, #1039, and #1040 due to fraudulent spam/phishing content, and voted YES on Prop #1041 for the Gaia v27.4.0 upgrade 🔷 @GenLayer / Bradbury: upgraded the validator to v0.5.12 with self-recovery fixes and security improvements 🔷 @GenLayer / Asimov: upgraded the validator to v0.5.12 with the same operational fixes and hardening 📖 @StoryProtocol / mainnet: executed the mandatory hardfork to Story v1.8.0 (Seneca) ahead of the scheduled height, with full post-upgrade verification ⚡ @Starknet / mainnet: enabled the staking pool for our strkBTC node, making it live and ready to receive delegation 🌌 @celestia / mainnet: upgraded nodes to celestia-app v8.0.8 during the scheduled maintenance window 🌌 @celestia / Mocha testnet: executed the upgrade to celestia-app v9.0.1-mocha with on-chain signaling for v9 🌌 @celestia / Mocha testnet: upgraded the bridge node to celestia-node v0.31.1-mocha 🌌 @celestia / Mocha testnet: upgraded validator, RPC, and consensus nodes to celestia-app v9.0.2-mocha and celestia-node v0.31.1-mocha 🐒 @monad / testnet: upgraded our full node to v0.14.5 within the required operational window 💠 XRPL EVM / mainnet: voted YES on Prop #32 to add a new validator to the network At Cumulo, we handle validation as production infrastructure work: upgrade readiness, governance monitoring, migration discipline, service continuity, observability, and controlled execution. Reliable validator operations are not just about keeping nodes online, but about managing critical systems with traceability, technical judgment, and professional standards. That is why we maintain our Activity Tracker: a public, JSON-backed record where we continuously document upgrades, migrations, deployments, and governance actions in an auditable format. 📍Follow our activity here: cumulo.pro/services/activ…

⚛️ What really happens with gas when you pay many recipients at once on @cosmos ? We published a new article exploring multi-send on @cosmoshub through a real testnet case study, using actual transactions to measure how gas behaves as the number of recipients increases 📊 With Gaia v27.0.0, multi-send gas is no longer purely linear. It now includes a quadratic surcharge designed to make large-scale spam increasingly expensive, while keeping legitimate use cases accessible 🛡️ In the article, we cover: 🔹 What multi-send is and why it matters 🔹 How gas works in Cosmos Hub 🔹 The quadratic surcharge introduced in Gaia v27.0.0 🔹 Real gas data from testnet transactions 🔹 The empirical formula behind the total gas cost 🔹 Why this matters for validators, developers, protocols and users At Cumulo, we are validators on @cosmoshub ⚛️ and for us, running infrastructure also means testing, measuring and explaining how the network behaves in practice. Read the full article here 👇 🇬🇧 EN: medium.com/cumulo-pro/mul… 🇪🇸 ES: medium.com/cumulo-pro/mul… Real data. Real transactions. Real infrastructure 🛠️