Rootstock
Rootstock is a pioneering Bitcoin sidechain that integrates Ethereum-compatible smart contract capabilities with Bitcoin's robust security. As an open source platform, it leverages Bitcoin's proof-of-work consensus mechanism, achieving over 60% of Bitcoin's hashing power through merged mining. This integration allows developers to deploy EVM-compatible smart contracts, enabling the creation of decentralized applications secured by Bitcoin's network. Rootstock's native currency, RBTC, is pegged 1:1 to Bitcoin, facilitating seamless interaction with DeFi protocols and dApps on the Rootstock network for activities such as minting, swaps, and gas fees. The PowPeg protocol ensures secure and efficient two-way transfers between Bitcoin and Rootstock, enhancing interoperability. Rootstock's ecosystem encompasses a diverse range of applications, from swapping and staking with platforms like Sushi to yield optimization with Beefy and trading on Oku.
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Hedera Hashgraph
Hedera is owned and governed by the world's leading organizations. Hedera is the most used enterprise-grade public network for you to make your digital world exactly as it should be – yours. HBAR is the native, energy-efficient cryptocurrency of Hedera that powers the decentralized economy. Whether you're a startup or enterprise, a creator or consumer, Hedera goes beyond blockchain for developers to create the next era of fast, fair, and secure applications. Bitcoin pioneered decentralized infrastructure and Ethereum brought programmability. But earlier proof-of-work blockchains consume massive amounts of energy and process transactions slowly in order to achieve acceptable levels of security. Heavy bandwidth consumption by these technologies leads to expensive fees, even for a simple cryptocurrency transaction. The Hedera proof-of-stake public network, powered by hashgraph consensus, achieves the highest-grade of security possible (ABFT).
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Stacks
Stacks makes Bitcoin programmable, enabling decentralized apps and smart contracts that inherit all of Bitcoin’s powers. Build apps and smart contracts on Bitcoin. Stacks connects to Bitcoin, enabling you to build apps, smart contracts, and digital assets that are integrated with Bitcoin's security, capital, and network. Lock your STX temporarily to support the network’s security and consensus. As a reward, you’ll earn Bitcoin that miners transfer as part of Proof of Transfer. Stacks makes Bitcoin's $760B of capital programmable with smart contracts. Build a better financial system on top of Bitcoin that’s open, composable, and without intermediaries. Run your app’s logic on the blockchain with Clarity smart contracts. Clarity is a more secure and predictable language that prevents many bugs and exploits. Perfect for high-stakes code where bugs are not an option.
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Chainlink
Connect your smart contract to the outside world. Chainlink's decentralized oracle network provides reliable, tamper-proof inputs and outputs for complex smart contracts on any blockchain. Start building your universally connected smart contract. Use decentralization, trusted nodes, premium data, and cryptographic proofs to connect highly accurate and available data/APIs to any smart contract. Build on a flexible framework that can retrieve data from any API, connect with your existing systems, and integrate with any blockchain, now and in the future. Integrate battle-hardened and time-tested oracle solutions that secure billions of dollars in value for market-leading blockchain projects. Independently monitor and verify Chainlink’s open-source code, the performance of its oracle networks, and the quality of individual node operators.
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