> ## Documentation Index
> Fetch the complete documentation index at: https://docs.chainbase.com/llms.txt
> Use this file to discover all available pages before exploring further.

# B2 Hub Mainnet

\-- Defi solution for Bitcoin

BackToBitcoin (B2B) is a Defi solution for Bitcoin, built on the BTCB token with Binance proof of reserve. It enables enthusiasts of decentralized finance (DeFi) to participate in Bitcoin (BTC) exposure while also benefiting from direct on-chain yields. It is developing a specialized middleware for Bitcoin within the Ethereum Virtual Machine (EVM) mesh system.

### The MetaData of the B2 Hub Mainnet Blockchain

**Twitter Link**: [https://x.com/BTCB2B](https://x.com/BTCB2B)

**Tags**: DeFi

### Blobs Column Descriptions

<div>
  <iframe src="https://doc-embed-app.chainbasehq.com/columns/ethereum.blobs" width="100%" height="300px" frameBorder="0" scrolling="no" />
</div>

### Table Blobs Sample

<div>
  <iframe src="https://doc-embed-app.chainbasehq.com/data/ethereum.blobs" width="100%" height="300px" frameBorder="0" scrolling="no" />
</div>

### Transaction logs Column Descriptions

<div>
  <iframe src="https://doc-embed-app.chainbasehq.com/columns/ethereum.transaction_logs" width="100%" height="300px" frameBorder="0" scrolling="no" />
</div>

### Transaction logs Sample

<div>
  <iframe src="https://doc-embed-app.chainbasehq.com/data/ethereum.transaction_logs" width="100%" height="300px" frameBorder="0" scrolling="no" />
</div>

### Transactions Column Descriptions

<div>
  <iframe src="https://doc-embed-app.chainbasehq.com/columns/ethereum.transactions" width="100%" height="300px" frameBorder="0" scrolling="no" />
</div>

### Transactions Sample

<div>
  <iframe src="https://doc-embed-app.chainbasehq.com/data/ethereum.transactions" width="100%" height="300px" frameBorder="0" scrolling="no" />
</div>