Evolving Bitcoin: DeFi Opportunities and Scalability Solutions

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An article reviewing the main projects in the Bitcoin ecosystem

Original article: Evolving Bitcoin: DeFi Opportunities and Scalability Solutions

By Greythorn Asset Management

Produced by: Vernacular Blockchain (ID: hellobtc)

Cover: Photo by Shubham Dhage on Unsplash

As the earliest and largest blockchain by market value, Bitcoin has not only led the development of digital assets, but also continues to dominate the market in terms of market value. However, Bitcoin, which is currently regarded as "digital gold", is mainly recognized for its use as a means of storing value rather than its role in decentralized applications.

However, recent developments suggest that Bitcoin has greater potential than previously expected to build a vibrant decentralized finance (DeFi) ecosystem. This change comes at a time when market interest in Bitcoin and technological capabilities are more aligned than ever before.

The SEC has approved Bitcoin ETFs listed on all registered securities exchanges and will continue to monitor them to protect investors. Source: x.com

The next few years could be critical for Bitcoin as it has the potential to transform from a passive store of value to an active ecosystem full of innovation and investment opportunities. We believe this is an opportunity worth exploring, especially considering that most people have yet to invest in this emerging ecosystem and that new features such as Runes are coming soon.

This will be the first bull run where people will be able to invest directly in protocols and assets on the Bitcoin blockchain. These assets are expected to profit as the price of Bitcoin rises, and profits will gradually appear when people sell Bitcoin. This article will focus on analyzing the potential opportunities that Bitcoin may bring in the future.

Bitcoin Ecosystem

The core code of the Bitcoin protocol has remained virtually unchanged for many years and is primarily used as a medium of exchange. In 2017, the Bitcoin protocol implemented the SegWit upgrade, which separated digital signatures (“witnesses”) from transaction data. This separation effectively freed up space, allowing more transactions to be included in the blockchain.

Then, in 2021, the Taproot upgrade was introduced. This improvement allowed multiple signatures and transactions to be grouped together, facilitating the aggregation of signatures. Essentially, this meant that multiple signatures could be grouped together for verification. Despite these upgrades, Bitcoin still faces challenges such as scalability, slow transaction speeds, and high costs.

Currently, the Bitcoin network includes miners, nodes, stakeholders, developers, and various second-layer solutions, side chains, and DApps. Miners and nodes maintain the network by verifying transactions and ensuring consensus, which is achieved through the proof-of-work mechanism ( POW ). The developer community contributes by expanding the local ecosystem and occasional core protocol updates, which may be difficult to reach consensus and therefore have fewer changes. The following is a brief overview of the Bitcoin ecosystem:

Layer 2 Solutions

Multiple solutions have been proposed for Bitcoin’s scalability issues, but the vast majority of Bitcoin users view the Proof-of-Work system (PoW) as a core part of Bitcoin’s identity and are generally reluctant to support major changes to the protocol.

Nevertheless, Layer2 solutions offer a more practical approach as they do not involve major modifications to the core blockchain. These solutions are layered on top of the Bitcoin main network as independent blockchains, making them easier to implement and more realistic in solving scalability issues.

Here are the three main players:

1) The Lightning Network

Launched in 2016, it is the first second-layer payment protocol developed on the Bitcoin blockchain, designed to increase transaction speed and reduce costs, and to achieve near-instant payments using Bitcoin's smart contract capabilities. Although the Lightning Network has successfully improved transaction efficiency and attracted more than $347 million (as of July 31) in total locked value (TVL), it does not provide the advanced smart contract capabilities required to develop a diverse DApp ecosystem, but instead focuses on its peer-to-peer payment network capabilities.

Source: Lightning Network

2) Stacks

Stacks is the current market leader and completed the Nakamoto upgrade on July 13, which significantly improves security and speed. Stacks was founded in 2013 at Princeton by computer scientist Muneeb Ali, who has been working on the technology for four years. In addition, the project has an extremely talented team and its technology has been peer-reviewed by experts from Stanford and Princeton.

Stacks enables smart contracts and Dapps to utilize Bitcoin as an asset and settle transactions on the Bitcoin blockchain. All transactions on the Stacks layer are automatically hashed and settled on Bitcoin.

3) BVM Network

Bitcoin's smart contract and scalability limitations can be addressed through its Layer2 meta-protocol. BVM supports the creation of DApps and smart contracts and facilitates the expansion of Bitcoin's Layer2 blockchain. Currently, BVM is emerging as a leading solution on the chain, especially during the recent market downturn. Its relatively strong performance shows potential growth, especially against the backdrop of rising interest in Bitcoin's Layer2 solutions.

As a Rollup-as-a-Service (RaaS) protocol, BVM allows users to easily launch new Bitcoin L2 blockchains, with all value flowing back to BVM Token holders as new Layer2s are continually paid with BVM Tokens. Notable developments include the launch of Tuna Chain and Naka Chain using the BVM SDK. In addition, plans to integrate Runes functionality bode well for further growth for BVM.

BVM reuses the battle-tested Optimism codebase. It is a modified version of the Op Stack with added support for Bitcoin. The software stack includes data validation, data storage options, a smart contract platform (Bitcoin Virtual Machine), and an upcoming decentralized sorter.
Source: BVM

Several other scaling solutions have been developed to enable smart contracts on Bitcoin:

RGB: A off-chain layer that uses Bitcoin’s UTXO to create digital assets such as Tokens and NFTs , fully compatible with the Lightning Network.

Counterparty: Allows token creation and crowdfunding; has seen a resurgence through innovations like Ordinals.

Rootstock (RSK): A merged-mined sidechain that supports smart contracts compatible with the Ethereum Virtual Machine ( EVM ) and uses RBTC, which is pegged to Bitcoin.

Liquid Network: A sidechain launched by Blockstream that supports decentralized trading and asset issuance, including NFTs and stablecoins.

Omni Layer: supports token minting and DEX; enhances the transaction speed of the Lightning Network through Omni Bolt.

Mintlayer: Combines Proof of Stake with Bitcoin’s Proof of Work on a sidechain, supporting smart contracts and cross-blockchain transfers.

DeFi on Bitcoin

Ethereum has long been the preferred Layer 1 blockchain for DeFi. However, recent developments could make Bitcoin a significant player in mainstream DeFi adoption. With regulatory changes in the United States, expectations for the 2024 Bitcoin halving, and the introduction of Bitcoin Ordinals, Bitcoin is gradually gaining more possibilities.

The Bitcoin network is moving beyond simple transaction functionality, paving the way for a rich DeFi ecosystem through various scaling solutions. This development has given rise to projects that support more complex financial applications, challenging Ethereum’s dominance.

For example, Sovryn provides a non-custodial, permissionless environment for trading, borrowing, and lending Bitcoin and other select assets on RSK, a Layer2 EVM smart contract blockchain based on Bitcoin.

In addition, Zest Protocol, backed by Primal Capital, is pioneering peer-to-peer decentralized lending based on Bitcoin. Meanwhile, Bitcoin DEXs such as Bisq Network operate under a decentralized autonomous organization ( DAO ) and support peer-to-peer transactions.

Ordinals and Runes

Although the Runes protocol has received widespread attention, many people still don't understand how it uses UTXO accounting to simplify Bitcoin transactions. Runes provides a more economical entry point compared to traditional methods such as the Unisat market. Before this, Bitcoin transactions were mainly managed through an account model, requiring specific transaction amounts, and providing a poor user experience compared to token transactions on Ethereum.

Runes, created by the founder of Ordinals, is intended to be the Bitcoin version of Ethereum ERC20, facilitating the issuance of fungible tokens. The protocol is scheduled to be launched on April 19 after the Bitcoin halving, which may increase transaction fees on Bitcoin Layer 1 and may promote the activity of Bitcoin Layer 2 solutions.

Ordinals store data in transaction witnesses and attach information to a single satoshi . Unlike Ordinals, Runes embeds token records into Bitcoin's unspent transaction outputs (UTXOs). This approach can seamlessly connect to Bitcoin's existing system, improve its functionality and blockchain integrity, and is specially designed to be easily implemented on various Layer2 platforms (such as Stacks).

Here are some key projects related to Runes Protocol:

PUPS/Rune Pups: This is an NFT series, and 23% of the PUPS supply will be distributed via Airdrop after Post-Runes are activated.

WZRD: This is an early cultural token in the Ordinals ecosystem and has grown rapidly.

Runestones: This project will transform into Runes Token after the Bitcoin halving. It has been Airdropped into multiple Ordinals collections, including Bitcoin Puppets.

When you buy BRC20 tokens, you are actually buying BRC20s that can be converted into Runes equivalent tokens after the halving. As the ecosystem is launched, there will be more projects like this, so stay tuned.

The relevant Runes' bullish views are as follows:

Innovation in Bitcoin fungibility: Runes introduces a new token standard on the Bitcoin blockchain that aims to improve the current BRC-20 fungible token standard. This innovation is considered sufficient to prompt a reassessment of Bitcoin’s potential in the field of decentralized applications.

Efficiency and Design: The Runes Token standard is more efficient by using a UTXO-based design. This is different from the account-based design of Bitcoin's BRC-20 and Ethereum's ERC-20 Tokens, which may reduce the bloat and high fees caused by the creation of 'junk' UTXOs in the current process.

Market Positioning: Bitcoin’s alternative token market capitalization is relatively small compared to Ethereum and Solana. Nevertheless, the introduction of more efficient token standards such as Runes may help narrow this gap.

Compatibility and Privacy: Runes is designed to be compatible with the Lightning Network and promises to provide higher privacy because data is hidden in UTXOs. This compatibility and privacy feature is seen as an important improvement over existing standards and could make Bitcoin a more attractive platform for the DeFi space.

Homogenized tokens on Bitcoin have the greatest potential. Source: Franklin Templeton

RGB++

RGB++ enhances the functionality of Bitcoin by integrating smart contracts onto the Nervos CKB blockchain. The highlight of RGB++ is its isomorphic binding, which enables asset management synchronization between Bitcoin and the CKB Nervos blockchain. In actual operation, each Bitcoin UTXO (unspent transaction output) is bound to the corresponding Cell (which can be understood as a "block") on the CKB blockchain. Therefore, when a Bitcoin transaction is made using UTXO, the transaction is automatically recorded on the CKB blockchain, and the corresponding Cell on CKB is updated.

Schematic diagram of asset management synchronization between RGB Bitcoin and CKB Nervos blockchain

The system does not require a third-party multi-signature bridge and enables trustless cross-chain transactions while ensuring accurate mapping of activities on both networks. RGB++ is considered a promising Bitcoin Layer2 solution.

In terms of investment, the token directly related to RGB++ is CKB, which has a market capitalization of $1.5 billion (as of July 31st) and more than 99% of tokens are already in circulation. This reduces concerns about the impact that new token issuance may have on the market.

Conclusion

This is a lot of information and may be a bit complicated to understand. However, the Bitcoin ecosystem is worth paying attention to because Bitcoin still has the highest adoption rate of all cryptocurrencies and is recognized by individual and institutional investors, which may bring more stability and growth potential.

Bitcoin is constantly improving and expanding its use cases, thanks to ongoing developments like the Lightning Network (which speeds up transactions) and initiatives like Runes (which increase token fungibility).

Disclaimer: As a blockchain information platform, the articles published on this site only represent the personal opinions of the author and guests, and have nothing to do with the position of Web3Caff. The information in the article is for reference only and does not constitute any investment advice or offer. Please comply with the relevant laws and regulations of your country or region.

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Disclaimer: The content above is only the author's opinion which does not represent any position of Followin, and is not intended as, and shall not be understood or construed as, investment advice from Followin.
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