In-depth Analysis of the Bitcoin Ecosystem: From Asset Issuance to the Current Status of Layer 2 Development

1. Introduction: The Historical Development of the BTC Ecosystem

The popularity of Bitcoin inscriptions has sparked a frenzy among cryptocurrency users, bringing renewed attention to the development and possibilities of the Bitcoin ecosystem. Bitcoin, as the first blockchain, was created in 2008 by the anonymous entity Satoshi Nakamoto, marking the birth of decentralized digital currency and challenging the traditional financial system.

Bitcoin introduced the concept of a peer-to-peer electronic cash system, eliminating the need for intermediaries, achieving decentralization and disintermediation. Its underlying technology, blockchain, fundamentally changed the way transaction records, verification, and security are managed. The Bitcoin white paper published in 2008 laid the foundation for a decentralized, transparent, and tamper-proof financial system.

After its inception, Bitcoin experienced a phase of stable growth. Early adopters were mainly tech enthusiasts and cryptography supporters who began mining and trading. The first recorded actual transaction occurred in 2010 when programmer Laszlo used 10,000 Bitcoins to purchase 2 pizzas, marking a historical moment in the adoption of cryptocurrency.

As Bitcoin receives increasing attention, related ecological infrastructure begins to take shape. Exchanges, wallets, and mining pools have emerged in large numbers to meet the demands of this new digital asset, Bitcoin. With the development of blockchain technology and the market, the ecosystem has expanded to include more stakeholders, including developers, startup teams, financial institutions, and regulatory bodies, promoting the diversification of the Bitcoin ecosystem.

The market, which had been quiet for a long time in 2023, has ushered in a summer of inscriptions due to the popularity of the Ordinals protocol and BRC-20 Tokens, bringing renewed attention to Bitcoin, the oldest public chain. What will be the future development of the Bitcoin ecosystem? Will the Bitcoin ecosystem become the engine for the next bull market? This article will delve into the historical development of the Bitcoin ecosystem and focus on its three core directions: asset issuance protocols, scaling solutions, and infrastructure, analyzing the current status, advantages, and challenges of its development, and exploring the future of the Bitcoin ecosystem.

2. Why is the Bitcoin ecosystem needed?

1. Characteristics and Development History of Bitcoin

Bitcoin has three core characteristics:

1. Decentralized Distributed Ledger: The core of the Bitcoin network is blockchain technology. This is a decentralized distributed ledger that records all transactions on the Bitcoin network. The blockchain is composed of blocks, each containing the hash of the previous block, forming a chain structure that ensures the transparency and immutability of transactions.

2. Recording through Proof of Work (PoW): The Bitcoin network uses a Proof of Work mechanism to verify transactions and maintain the ledger. This mechanism requires network nodes to validate transactions by solving mathematical problems and recording them onto the blockchain. This ensures the security and decentralization of the network.

3. Mining and Bitcoin Issuance: The issuance of Bitcoin is completed through mining. Miners solve mathematical problems to verify transactions and create new blocks. As a reward, miners receive a certain amount of Bitcoin.

Bitcoin uses the UTXO (Unspent Transaction Output) model. UTXO is a way to track Bitcoin ownership and transaction history, where each unspent output represents a transaction output in the Bitcoin network. These unspent outputs are those that have not been used by previous transactions, and they can be used to construct new transactions. Its features can be summarized as:

1. Each transaction generates new UTXOs: When a Bitcoin transaction occurs, it consumes previous UTXOs and generates new UTXOs, which will serve as inputs for future transactions.

2. Transaction validation relies on UTXO: When validating a transaction, the Bitcoin network checks whether the UTXO referenced by the transaction inputs exists and has not been used, to ensure the validity of the transaction.

3. UTXO as Transaction Inputs and Outputs: Each UTXO has a value and an owner’s address. When making a new transaction, some UTXOs will be used as transaction inputs, while others will be created as outputs of the transaction, potentially to be used in the next transaction.

The UTXO model can provide higher security and privacy because each UTXO has its own owner and value, allowing transactions to be tracked more precisely. Moreover, the design of the UTXO model allows for parallel processing of transactions, as each UTXO can be used independently without resource contention.

However, due to the limitations of block size and the non-Turing complete development language, Bitcoin largely serves as “digital gold” and has not been able to support more projects.

After the birth of Bitcoin, colored coins emerged in 2012, allowing certain Bitcoins to represent other assets by adding metadata on the Bitcoin blockchain; in 2017, a hard fork occurred due to the block size debate, including BCH, BSV, and others; after the fork, BTC also began to explore solutions for scalability improvement, launching the SegWit upgrade in 2017, which introduced extended blocks and block weight, expanding block capacity; the Taproot upgrade that started in 2021 enhanced transaction privacy and efficiency. These key upgrades also laid the foundation for the development of various subsequent scaling protocols and asset issuance protocols, leading to the later familiar Ordinals protocol and the popularity of BRC-20 Token.

It can be seen that although Bitcoin was designed as a peer-to-peer electronic cash system at its inception, there have always been many developers who do not want Bitcoin to be limited to the value of “digital gold.” They are committed to enhancing Bitcoin’s scalability and doing more things based on the Bitcoin blockchain, such as having their own ecological applications.

2. Comparison of Bitcoin Ecosystem and Ethereum Smart Contracts

During the development of Bitcoin, in 2013, Vitalik Buterin proposed another blockchain—Ethereum, which was subsequently co-founded by Vitalik Buterin, Gavin Wood, and Joseph Lubin. The core concept of Ethereum is to provide a programmable blockchain, allowing developers to build various applications on it, not just limited to currency transactions. This programmability feature makes Ethereum a smart contract platform, enabling people to create and run blockchain-based applications that can execute automated contracts without the need to trust third parties.

It can be seen that one of the most significant features of Ethereum is smart contracts, which allow developers to create various applications on Ethereum. With this characteristic, Ethereum has gradually become the leader of the entire cryptocurrency space, giving rise to various Layer 2 solutions, applications, and diverse asset types such as ERC20 and ERC721, attracting many developers to build and enrich the city-state of Ethereum.

Since Ethereum can already implement smart contracts and develop various Dapps, why do people still need to return to BTC for scaling and application development? The core reasons can be summarized in the following three aspects:

1. Market Consensus: Bitcoin is the earliest blockchain and cryptocurrency, holding the highest recognition and trust in the minds of the public and investors. Therefore, it has a unique advantage in acceptance and recognition, with its current market capitalization reaching 800 billion USD, accounting for about half of the total market capitalization of the cryptocurrency market.

2. The degree of decentralization of Bitcoin is high: Among mainstream blockchains, Bitcoin has the highest degree of decentralization, as its creator Satoshi Nakamoto has vanished, and the entire chain is driven by the community; whereas Ethereum still has Vitalik and the Ethereum Foundation controlling its development.

3. The Demand for Fair Launch by Retail Investors: The demand for Web3 is inseparable from the issuance methods of new assets. In traditional project Token issuance, whether FT or NFT, the project party is basically the issuer, and the profits of retail investors strongly depend on the market-making of the project party and the VC behind it; however, in the Bitcoin ecosystem, innovative Fair Launch venues such as inscriptions have emerged, giving retail investors more say and thus gathering more money and wealth within the BTC ecosystem. The renewed attention to the Bitcoin ecosystem this time is largely inseparable from the characteristics of the inscription Fair Launch.

This is also why, although BTC is weaker than Ethereum in terms of TPS and block time, there are still a large number of developers who hope to introduce smart contracts on it for application development, despite its original purpose being used as a cryptocurrency for transactions.

In summary, just as the rise of BTC is rooted in a consensus of value—people widely recognize Bitcoin as a valuable digital asset and medium of exchange—the innovation in the cryptocurrency world is largely related to asset attributes. The current popularity of the BTC ecosystem is mainly driven by inscription asset types such as the Ordinals protocol and BRC-20. This popularity also feeds back into the entire Bitcoin ecosystem, leading more people to redirect their attention back to the Bitcoin ecosystem.

Unlike previous bull markets, the influence of retail investors is growing in this round of the market. Traditionally, VCs and project teams dominated the crypto market, investing in and driving the development of many blockchain projects. However, as retail investors’ interest in crypto assets continues to increase, they wish to play a larger role in the market and participate in the development and decision-making of projects. To some extent, retail investors have also driven the development and renewed prosperity of this round of the Bitcoin ecosystem.

Therefore, although the Ethereum ecosystem is more flexible in terms of smart contracts and decentralized applications, the Bitcoin ecosystem, as digital gold and a stable store of value, along with its leading position and market consensus, still holds an unparalleled importance in the entire cryptocurrency space. As a result, people continue to pay attention to and strive to develop the Bitcoin ecosystem to further explore its potential and possibilities.

Three, Analysis of the Current Development Status of Bitcoin Ecological Projects

In the process of developing the Bitcoin ecosystem, it can be seen that there are currently two main dilemmas facing Bitcoin:

• The scalability of the Bitcoin network is relatively low, and if you want to build applications on it, you need better expansion solutions;

• The applications in the Bitcoin ecosystem are relatively few, and the development of the Bitcoin ecosystem requires some blockbuster applications/projects to attract more developers and foster more innovation.

In addressing these two dilemmas, the Bitcoin ecosystem is primarily built around three aspects:

1. Agreements related to asset issuance

2. Scalability Solutions: On-chain scaling and Layer 2

3. Infrastructure projects such as wallets, cross-chain bridges, etc.

As the development of the entire Bitcoin ecosystem is still in its early stages, applications like DeFi are still in their infancy. Therefore, this article will mainly focus on analyzing the development of the Bitcoin ecosystem in four aspects: asset issuance, on-chain scaling, Layer 2, and infrastructure.

1. Asset Issuance Agreement

The Bitcoin ecosystem’s heat starting in 2023 is inseparable from the promotion of the Ordinals protocol and BRC-20, allowing Bitcoin, which originally could only serve as a store of value and medium of exchange, to also act as a venue for asset issuance, greatly expanding the use cases of Bitcoin.

In terms of asset issuance agreements, after Ordinals, various different types of protocols such as Atomicals, Runes, PIPE, etc., have emerged to assist users and project parties in issuing assets on BTC.

1）Ordinals & BRC-20

First, let’s take a look at the Ordinals protocol. Simply put, Ordinals is a protocol that allows people to mint NFTs similar to those on Ethereum, with the initial attention-grabbing Bitcoin Punks and Ordinal punks being minted based on this protocol; later on, the now-popular BRC-20 standard also emerged based on the Ordinals protocol, ushering in the subsequent inscriptions summer.

The birth of the Ordinals protocol can be traced back to early 2023, introduced by Casey Rodarmor. He has been working in technology since 2010, having worked at Google, Chaincode Labs, and Bitcoin core, and now serves as a co-host of SF Bitcoin BitDevs (a Bitcoin discussion community).

Casey became interested in NFTs in 2017, inspired to use Solidity to develop Ethereum smart contracts. However, he abandoned the idea because he didn’t like building NFTs on Ethereum, considering it a “Gutenberg machine” (using overly complicated methods to accomplish simple tasks).