
Logstash
Logstash is an open-source, server-side data processing pipeline from Elastic NV. It ingests data from multiple sources simultaneously, transforms it, and then sends it to a chosen destination. It is a core component of the Elastic Stack, often used for centralizing and processing logs, metrics, and other event data.
In the context of the Hedera blockchain network, Logstash can be integrated using tools such as the logstash-output-hedera plugin. This specific Java Output Plugin is designed for the Hedera Consensus Service (HCS). It enables Logstash to send processed events or logs directly to an HCS topic. Users configure the plugin by specifying details including their HCS topic ID, an operator account ID, and the associated private key for that operator account. An optional submit key used for topic creation can also be provided, along with the target Hedera network, which can be "mainnet" or "testnet".
By using this plugin, applications can leverage Logstash's data collection and transformation capabilities to then record events onto the Hedera public ledger via HCS. This creates an immutable, verifiable, and timestamped log of the data, enhancing transparency and auditability for any system employing this integration.
Project Information
Related Projects

Curios is a creator-focused platform designed to overhaul digital content distribution by enabling creators to sell their work directly to fans while retaining 100% of their sales revenue. The platform supports a wide array of digital content, including music, audiobooks, ebooks, videos, comedy works, digital artwork, and event sales and ticketing.
It offers a direct purchasing model for fans allowing them to buy and permanently own content without recurring subscription fees. Fans can consume owned content via the Curios website or mobile apps, both of which support offline access. Curios emphasizes a transparent connection where creators own their fan data and intellectual property while maintaining compliance with the EU’s General Data Protection Regulation (GDPR).
The Curios platform provides tools for NFT creation and sales, cross-platform smart contract deployment, and white-label marketplace solutions. This allows creators to offer verifiably unique items and engage fans with unlockable content and secure airdrops. It also provides increased accessibility by enabling NFT purchases with fiat currency and traditional credit cards.

Otrafy is a technology company developing a platform to streamline and automate supply chain management, with a strong focus on food safety and compliance. Its mission is to create a more transparent and efficient supply chain by providing a centralized system for managing documents, tracking products, and collaborating with suppliers.
The core of Otrafy's offering is its supplier management platform. This service provides a suite of tools that allow businesses to automate the collection and verification of supplier documents, ensuring that all suppliers meet the necessary compliance and quality standards. Key features of the platform include automated document requests, real-time tracking of supplier compliance, and a centralized repository for all supply chain data.
Otrafy uses the Hedera Consensus Service (HCS) to create an immutable and auditable record of all supply chain events, from the initial sourcing of raw materials to the final delivery of finished goods. This provides a "single source of truth" for all stakeholders in the supply chain, enhancing transparency and traceability.

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Tune.FM is a decentralized music streaming platform and NFT marketplace built on the Hedera network. It’s designed to upend and modernize the music industry's traditional compensation model. Its core mission is to enable transparent, secure, and instant artist payments while fostering direct connections with fan communities.
The Tune.FM platform is built on the Hedera blockchain network and utilizes the Hedera Token Service (HTS) for its native JAM token ($JAM), which relies on embedded Hedera features to facilitate real-time micropayments for artists, who are compensated for every second their music is streamed.
Tune.FM’s "play-to-earn" model features high speed processing with comparatively low fees, thus potentially allowing artists to retain a significantly greater portion of their earnings when compared to traditional streaming platforms.
Beyond streaming, Tune.FM features an integrated NFT marketplace where artists can mint and sell digital music collectibles including songs, albums, artwork, and exclusive fan experiences such as backstage passes via JAM tokens. For listeners, Tune.FM offers a platform for new music discovery, direct artist interactions and support, and a way to earn JAM tokens through fan engagement.
