
Evgeny Konstantinov
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Articles
Recent activity by Evgeny Konstantinov-
What is IPFS API?
Introduction IPFS (InterPlanetary File System) is a decentralized file storage and sharing protocol. Chainstack's IPFS API offers an easy way to store and retrieve files in a decentralized manner, ...
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How to Rotate Your API Key
Currently, we do not have a built-in feature that allows users to rotate or generate a new API key directly. However, we understand the importance of keeping your API keys secure and up-to-date, an...
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Using Curl to Interact with Chainstack Node
For hundreds of live curl examples, see the Chainstack interactive API reference. Introduction The Client Uniform Resource Locator (curl) command line tool sends API requests via URLs and r...
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What is Polygon?
Polygon is a Layer 2 scaling solution to blockchain networks. See also Chainstack Docs: Polygon PoS.
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Default rpc.txfeecap on EVM nodes
The Chainstack elastic and dedicated EVM nodes have the following default values for rpc.txfeecap: Ethereum: 100 ETH Polygon: 100 MATIC BNB Smart Chain: 100 BNB Fantom: 100 FTM Harmony: 100 ONE T...
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Using web3.js 'getPastEvents' to get specific events filtered by address
Introduction For an introduction to smart contract events, see Getting logs and events of EVM smart contracts. This article focuses using the web3.js getPastEvents method with a filter to retrieve ...
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Using GraphQL with EVM-compatible nodes
Introduction The GraphQL support specification was introduced in Ethereum as part of EIP-1767. The GraphQL support is implemented in the Go Ethereum (Geth) client. For the latest Geth GraphQL schem...
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What is the limit for querying logs and events in a block range?
See Limits.
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What is Erigon?
Introduction Erigon is a fast and efficient Ethereum client that was developed as a fork of Go Ethereum. It is designed to provide significant speed and disk space savings, making it an attractive ...
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What could be the reason for my AVAX endpoint not functioning?
Introduction The Avalanche Chain is much more than an EVM-compatible ecosystem, as it comprises multiple built-in chains. Therefore, to access a particular chain, you must specify the desired chain...