
Citadel Wallet
Citadel Wallet is a specialized hardware wallet designed to offer robust security and a seamless user experience for individuals interacting with the Hedera Hashgraph network. Its development was supported by HeadStarter's Builder Labs.
It features a full suite of secure storage options focused on providing secure storage and transaction capabilities for Hedera's native cryptocurrency, HBAR, as well as Hedera Token Service (HTS) tokens and non-fungible tokens (NFTs).
The Citadel Wallet device emphasizes high-grade security, incorporating features such as Common Criterial Evaluation Assurance Level 6+ (EAL8+) certified Secure Element and a secure microprocessor featuring Trust Zone technology to protect users' private keys offline.
Citadel Wallet is engineered to support the full spectrum of Hedera network services, including native staking, interaction with smart contracts, and management of various Hedera-based assets. It also features a user-friendly interface and offers both USB-C and secure Bluetooth connectivity for flexible interaction with companion applications and decentralized applications (DApps) within the Hedera ecosystem.
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InvestaX is a Singapore-based, licensed security token platform Its mission is to provide a comprehensive, end-to-end solution for the issuance, trading, and custody of security tokens, bridging the gap between traditional finance and the world of decentralized assets.
The company offers a full suite of services for the digital asset lifecycle including tokenization. The InvestaX platform also features a primary issuance service for launching new security token offerings (STOs), as well as a secondary trading marketplace for providing liquidity to these assets. A core component of their offering is their institutional-grade custody solution, which ensures the secure storage of digital assets.
While InvestaX is a multi-chain platform, it has a direct integration with the Hedera network. The company utilizes Hedera's high-throughput and low-cost infrastructure to provide its clients with a fast, secure, and efficient platform for tokenizing and managing their assets. Through this integration, InvestaX offers a scalable and enterprise-grade solution for the digital asset market, enabling accessibility and liquidity for a wide range of real-world assets.

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.

Arkhia is an enterprise-grade Infrastructure-as-a-Service (IaaS) provider founded in 2022. It was established to bridge the gap between shared public network resources, which can be limited, and the complex, resource-intensive private infrastructure that large-scale applications require.
Arkhia's services are specifically tailored for the Hedera network. The platform offers a suite of tools designed to streamline the development process, including dedicated RPC services, a powerful REST API for interacting with the Hedera Mirror Node, and specialized tools like Watchtower for real-time data streaming and WorkBench for analyzing on-chain data. By offering a high-availability, low-latency environment, Arkhia enables developers to focus on building their applications without the operational overhead of managing their own infrastructure.
The connection between Arkhia and Hedera is fundamental; Arkhia's entire platform is built to support and enhance development on the Hedera public ledger. Leveraging a partnership with Google Cloud, Arkhia provides enterprise-level reliability and performance, ensuring that applications built on its infrastructure can scale to meet high demand.

Arkose Energy Corp. was founded in 2002 and is headquartered in Texas, It is focused on real world mining operations and utilises digital data mining solutions to fulfill its environmental commitments. One of its key focuses is on reducing flare gas and mitigating emissions by converting its oil and gas production into electricity to power its own data centers for cryptocurrency mining.
The company offers a range of services to the energy sector, including engineering, construction management, and fabrication of modular skids for various applications like test separators and gas scrubbers. It also defines itself as a data mining company, leveraging its energy production to power digital asset mining operations. This vertical integration is intended to create a more efficient and environmentally conscious approach to both energy production and cryptocurrency mining.
Arkose Energy utilises the Hedera network to bring transparency and verifiability to its operations. Data from its energy production and digital mining activities is processed through the Hedera Consensus Service. This creates an immutable and auditable log, allowing stakeholders to verify the company's emissions reduction efforts and the provenance of its energy usage for mining.
