Dapp store Base Infrastructure tools Web3 data tools

BlockClock

Alchemy CustomerWeb3 data toolsTransaction tools

BlockClock

BlockClock is a decentralized network time protocol (dNTP) that crowdsources timestamps onchain to sync the world's clocks.

Free

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What is BlockClock?

BlockClock is a mobile-first dNTP from Smart Transaction Corp (STXN) that lets anyone submit local timestamps in one click, building a global onchain dataset of clock drift. The data feeds research into time-sensitive blockchain operations and the broader Smart Transactions execution model. Live on iOS and Android, settled on Base.

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Web3 dapps and developer tools related to BlockClock

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web3cli

Development frameworks

web3cli is a command-line tool aiming to be the Swiss-army knife of the blockchain.

Envio

Alchemy CustomerIndexing tools

Envio is a real-time, multichain blockchain indexer for EVM, Solana, and Fuel chains, providing historical and live data.

Uniblock

Alchemy CustomerRPC node providers

Uniblock is Web3's first orchestration layer unifying 3,000+ APIs across 55+ providers through a single interface.

Blockflow

Indexing tools

Blockflow is a serverless backend platform for Web3 apps with managed databases, on-chain triggers, and custom APIs.

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Developer resources from Alchemy

Overview

Infra

What is a blockchain indexer?

Learn about the role of indexers and how they help you query onchain data.

Migrating from Sim to Alchemy's Data APIs

Blog

Technical

Migrating from Sim to Alchemy's Data APIs

Dune is retiring the Sim API on August 1, 2026. Alchemy's Data APIs cover the most common Sim migration paths across EVM chains and Solana.

Metropolis makes it easy to deploy smart contracts using Alchemy's account abstraction infrastructure

Case study

Wallets

Metropolis makes it easy to deploy smart contracts using Alchemy's account abstraction infrastructure

Learn how Metropolis is leveraging Alchemy's account abstraction infrastructure to redefine smart contract deployment with their new product, Metal.

BlockClock alternatives

Explore web3 competitors and apps like BlockClock.

Mobula

Alchemy CustomerWeb3 data tools

Mobula provides ultra-low-latency, stream-based token data, prices, wallet balances, and transaction APIs for wallets, trading terminals, and traders.

Numbers Protocol

Alchemy CustomerWeb3 data tools

Numbers Protocol is a content provenance infrastructure that records the origin, authorship, and AI-usage permissions of digital media on-chain.

Spring

Alchemy CustomerWeb3 data tools

Spring Labs is an AI-native compliance and CX platform that deploys AI agents to automate call scoring, QA, and complaints management for financial institutions.

0xGraph

Alchemy CustomerWeb3 data tools

High performance and reliable Subgraph hosting.

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App store listings are independently reviewed and written by Alchemy using a combination of inbound submissions, editorial research, public project sources, and third-party directories, including ecosystem data from The Grid under the Open Database License, DefiLlama, DappRadar, Reown, and chain ecosystem pages.

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