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Hedera Technical Blogs

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Leveraging Hedera’s Architecture: Sirio’s Oracle-Free Price Feed Approach

Jan 02, 2025Mica Cerone

By leveraging Hedera's architecture, Sirio integrates TWAP (Time-Weighted Average Price) calculations and HBAR/USD conversions, ensuring secure, resilient price feeds. This oracle-free method not only enabled seamless development but now enhances the protocol's security as a backup to traditional oracles.

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Introducing Block Streams: A Unified Data Stream Capturing the Comprehensive History of the Hedera Network

Dec 27, 2024Mark Blackman

Hedera is revolutionizing how blockchain data is consumed with the introduction of Block Streams, a unified format that consolidates existing event, record, and sidecar streams. This innovation simplifies data handling while offering developers enhanced verifiability, streamlined integration, and powerful new capabilities like state proofs and interledger communication.

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Hedera Enhances Network Management With the Dynamic Address Book

Dec 11, 2024Mark Blackman

The Dynamic Address Book on Hedera, introduced in HIP-869, marks a significant step toward decentralization by empowering node operators to manage their entries directly through secure, verifiable transactions. Explore how this update revolutionizes Address Book management and supports a decentralized ecosystem.

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Capture Your Contributions to the Hedera Ecosystem in the Electric Capital Developer Report

Oct 22, 2024Ed Marquez

The Electric Capital Developer Report is a valuable resource for tracking developer activity across blockchain ecosystems, including Hedera. Add your project contributions to gain visibility for your work and tell the world about the innovation happening in the Hedera ecosystem.

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Pricing Smart Contracts

Oct 08, 2024Paul Madsen

Hedera charges fees based on the burden a particular smart contract transaction or query places on the nodes of the network. Although the concept originated from Ethereum, there are subtle yet key differences on Hedera.

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Introducing HIP-850: Enhancing Supply Key Functionality for NFT Updates in Treasury Account

Sep 10, 2024Hedera Team

HIP-850 - to be implemented on the network as the mainnet upgrades to v0.53 soon - proposes a significant enhancement to the Hedera ecosystem by granting Supply Keys the ability to update NFT metadata while the NFTs reside in the treasury account (the specified account that receives tokens created as the result of a Token Mint operation).

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Announcing HIP-540: Enhanced Token Key Management on Hedera

Jun 21, 2024Michiel Mulders

HIP-540 enhances token creation on Hedera by enabling the removal or modification of keys, improving flexibility and security. It allows lower privileged keys to update to invalid keys, reducing risks for NFT holders and treasury. Update your SDK to the latest version to try out this functionality.

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Deprecation: Token Information No Longer Returned for Three Consensus Node Queries

Jun 03, 2024Devin Saxon

Token information returned by getAccountInfo, getAccountBalance, and getContractInfo will be deprecated in the near future. Exchanges, wallets, and dapp developers can access equivalent information from the mirror node REST API.

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Enabling Dynamic NFTs on Hedera: Exploring HIP-646, HIP-657, and HIP-765

May 28, 2024Michiel Mulders

Dynamic NFTs, enabled by mutable metadata fields, are a significant development in the Hedera ecosystem. This blog explores how three Hedera Improvement Proposals—HIP 646, HIP 657, and HIP 765—enhance token metadata and add a token metadata key to revolutionize digital ownership for creators and users.