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| Tenderly | |
|---|---|
| Name | Tenderly |
| Type | Private |
| Industry | Software |
| Founded | 2018 |
| Founders | Anton Bukov; Alexey Akhunov |
| Headquarters | Prague, Czech Republic |
| Products | Smart contract debugging; blockchain monitoring; simulation; analytics |
Tenderly
Tenderly is a blockchain development platform focused on smart contract observability, debugging, simulation, and monitoring for Ethereum-compatible networks. The platform provides developer tooling to inspect transactions, reproduce failures, and simulate protocol upgrades, targeting teams working with Ethereum, Polygon (blockchain), Binance Smart Chain and other EVM-compatible ecosystems. Tenderly integrates with tooling commonly used by teams building on Solidity, Hardhat, Truffle (software), and OpenZeppelin libraries to reduce time-to-resolution for bugs and incidents.
Tenderly offers a suite of developer-facing services: transaction inspection, replay and simulation, state diffing, alerting, and performance analytics. It connects to popular continuous integration systems such as Jenkins (software), GitHub Actions, and GitLab to enable pre-deployment checks and post-deployment monitoring. For monitoring and observability, Tenderly complements stack components like Prometheus, Grafana, and Datadog by providing blockchain-native traces and contextualized smart contract stack traces referencing artifacts from Ethers.js, Web3.js, and Remix (software). The product targets teams ranging from startups incubated in accelerators like Y Combinator and a16z-backed projects to enterprises building in collaboration with firms such as Consensys and Chainlink integrators.
Founded in 2018 by Anton Bukov and Alexey Akhunov amid the expansion of DeFi protocols and NFT marketplaces, the company emerged as tooling needs intensified after high-profile incidents such as the The DAO hack and losses from exploits affecting projects like Compound Finance and MakerDAO. Early adoption came from teams migrating from manual debugging workflows relying on explorers such as Etherscan and node operators like Infura. Over time, Tenderly expanded feature sets responding to demand from projects participating in Ethereum 2.0 upgrade conversations and Layer 2 pilots like Optimism (protocol) and Arbitrum. The company’s roadmap and partnerships reflect engagement with standards bodies including Ethereum Foundation and developer communities around Solidity (programming language) and Vyper (programming language).
Tenderly’s core technology centers on deterministic transaction simulation using forked chain states and symbolic execution derived from EVM semantics. It supports in-depth stack traces with mappings to source artifacts from toolchains such as Hardhat, Truffle (software), and debuggers used alongside Visual Studio Code and JetBrains. Features include state diff visualization, gas profiling, revert reason extraction, and automated checkpoints enabling replay against historical blocks from providers like Infura, Alchemy (company), and archival nodes hosted by cloud platforms such as Amazon Web Services and Google Cloud Platform. Tenderly also emits webhooks and integrates with incident systems like PagerDuty, Sentry (company), and Slack to accelerate incident response. For interoperability, the platform exposes REST and GraphQL APIs modeled to work with CI/CD pipelines managed by CircleCI and Travis CI.
Common use cases include failure triage for protocol teams building automated market makers like Uniswap, liquidity aggregators comparable to 1inch (company), or lending protocols inspired by Aave. Security teams use the platform for post-mortem analyses alongside audits by firms such as Trail of Bits, OpenZeppelin, and Consensys Diligence. Tenderly integrates with developer wallets and interfaces including MetaMask and WalletConnect to reproduce user transactions, and product teams combine Tenderly insights with analytics from Dune Analytics and Nansen (company) to contextualize on-chain events. Enterprises running private or permissioned chains based on Quorum or Hyperledger Besu adapt integrations for internal monitoring and compliance reviews referenced to standards like those discussed by ISO/TC 307.
Tenderly operates on a SaaS pricing model offering tiered subscriptions from free developer plans to enterprise contracts with expanded API throughput, dedicated support, and SLA-backed node access. The company has pursued venture funding rounds and strategic investments from blockchain-focused investors and seed-stage firms that also back projects such as Chainlink, Alchemy (company), and Infura. Revenue streams include usage-based billing for simulation compute, premium alerting, and professional services including onboarding, migration, and managed observability for organizations aligning with procurement from firms like Coinbase (company) and Kraken (company). Partnerships and channel relationships extend into blockchain incubators and accelerator programs such as Techstars.
Security practices emphasize noncustodial operation: Tenderly does not hold user keys and focuses on telemetry derived from replicated chain state and transaction inputs. The platform supports role-based access controls compatible with identity providers such as Okta and Auth0 and audit trails suitable for compliance reviews by legal teams referencing frameworks used by FINRA-regulated entities exploring tokenized products. Tenderly’s infrastructure design considers threat models raised after incidents involving oracle manipulation like those in bZx and flash loan exploits, and it encourages integration with on-chain governance tools used by DAOs like Aragon and Snapshot to coordinate incident response among stakeholders.
Tenderly participates in developer conferences and hackathons alongside communities around ETHGlobal, Devcon, and regional meetups in hubs such as Berlin, San Francisco, and Prague. The ecosystem includes integrations and open-source collaborations with projects like OpenZeppelin, Hardhat, and analytics contributors on GitHub. Educational outreach appears through workshops co-hosted with protocol teams from Uniswap, MakerDAO, and Synthetix to train engineers in observability best practices for smart contracts. The platform’s adoption is visible in case studies by wallet providers, exchanges, and DeFi protocols engaging with security auditors and developer communities to reduce time-to-detect and time-to-fix for on-chain incidents.
Category:Blockchain software companies