show
This article aims to show how to use GPT Neo, the Hugging Face Transformers module, the Python programming language, the Web3.py library, and the blockchain database to create a dialog interface that makes users more friendly and intuitive to interact with with the blockchain - the network. By the end of the article, the reader should have a clear understanding of how to use these toolscreate a chatbotData can be retrieved and displayed from the blockchain database based on user queries.

Learning objectives
- Learn the basics of blockchain databases and their potential practical use cases.
- Familiar with the limitations of traditional blockchain data query interfaces.
- Learn how to set up your development environment to build a chatbot using the GPT-Neo model and Web3.py.
- Learn about the Ethereum network and its data structures and learn how to connect to it using Web3.py.
- Learn how to use a GPT Neo model to generate text responses and combine it with Web3.py code to create a working chatbot.
This article was published as part ofData Science Blog.
Table of Contents
- show
- prerequisites
- connect to the blockchain
- Request blockchain data
- Create a chatbot
- Grant session access
- Advantages of using a chat interface to access blockchain databases
- Limitations to consider when accessing blockchain databases using chat interfaces
- After all
prerequisites
Before we begin, you must have the following packages installed:
- Web3.py:Web3.py is a Python library that allows us to interact with the Ethereum blockchain.
- Transformers:Transformers is a library for natural language processing (NLP) tasks, including language modeling, machine translation, and text generation.
You can install these packages using the Python package manager pipe:
pip install web3 converter
connect to the blockchain
Before we create our chatbot, we need to loginblockchain ethereumUse Web3.py. For this we will use the Web3.py library. First, we will import the necessary modules and initialize the connection to the blockchain:
from import web3 Web3#Initialize connection to blockchain w3 = Web3(Web3.HTTPProvider('https://mainnet.infura.io/v3/YOUR-PROJECT-ID'))#Check if connection is successful if w3. isConnected ( ): print('Connected to the Ethereum network') else: print('Failed to connect to the Ethereum network')
In this diagram, we use the Infura project ID to connect to the Ethereum network. You can specify your own Infura project ID or local node address instead of the YOUR-PROJECT-ID placeholder.

Request blockchain data
After creating a link to the blockchain, we can use the Web3.py library to query data from the blockchain. For example, we can get the latest block count:
# Get the latest block number last_block = w3.eth.blockNumberprint(f'The latest block number is {latest_block}')
This will produce the latest block count in the console.
Create a chatbot
We will use the GPT Neo model from Hugging Face Transformers to provide conversational access to blockchain data. First, we import the necessary modules and initialize the model:
from transform import pipeline# Εκκίνηση GPT Neo pipelinechatbot = pipeline('text-generation', model='EleutherAI/gpt-neo-1.3B');
In this example, we use the 1.3B variant of the GPT-Neo model from EleutherAI. You can replace it with another model if you want.
Grant session access
We can now leverage the chatbot and blockchain connection to provide conversational access to blockchain data. Here is an illustration of the conversation:
# Define a function that handles user input def handle_input(input_text): # Use the GPT Neo model to generate a reply reply = chatbot(input_text)[0]['generated_text'] # Extract the latest block number from the blockchain latest_block = w3 .eth .blockNumber # If the user asks for the latest block number, return it if 'latest block number' in input_text.lower(): return f'Latest block number is {latest_block}.' # If the user requests the block hash of a specific block , if 'block hash' in input_text.lower(), return it: blocknumber = int(input_text.split()[-1]) blockhash = w3.eth.getBlock(number block ) ['hash']. hex() return f'The block hash {block number} is {blockhash}. # Otherwise return GPT Neo response response # Start a conversation with the user while True: # Prompt the user for input user_input = input('You: ') # Handle user input response = handle_input(user_input) # Print the response print( f 'chatbot: { answer }')
This will continuously request input from the user, generate a response using GPT Neo, and return the response to the user. If the user requests the latest block number or hash for a particular block, the handle_input() function will use Web3.py to query the blockchain and return the corresponding information. Otherwise, GPT Neo will generate a response based on the user's data.

Advantages of using a chat interface to access blockchain databases
- Natural and intuitive:Chat interfaces provide a more natural and intuitive way to retrieve blockchain data than traditional query interfaces. Users may find it easier to get the information they need without in-depth technical knowledge.
- Availability:Chatbots can reach a wide range of people who are accessible through messaging services.
- Faster response time:The chat interface can provide faster response times than the standard query interface. Thus allowing users to find the information they need faster.
- Reduced complexity:Chat interfaces can help simplify working with blockchain data, which is especially useful for users who may not have a technical background.
- Improved user engagement:Chat interfaces can help improve user engagement by providing a more personalized and interactive experience. Designers can create chatbots that guide users through complex questions, provide relevant advice, and even provide educational resources to help users better understand blockchain technology. Designers can create chatbots that guide users through complex questions, provide relevant advice, and even provide educational resources to help users better understand blockchain technology. This can make accessing and interacting with blockchain databases a more enjoyable and engaging experience, increasing adoption and usage.
Overall, chat interfaces offer a promising solution for accessing blockchain databases, providing a more accessible, convenient, and secure way to interact with blockchain technology.
Read also:Secure data management using blockchain technology
Limitations to consider when accessing blockchain databases using chat interfaces
- Language restrictions:Chatbots are only as good as the language models they are trained on. While GPT Neo is one of the most advanced language models out there, it may not understand certain language nuances or regional dialects.
- Limited functionality:Chatbots can only perform the tasks they are programmed to perform. This means that their capabilities may be limited compared to traditional query interfaces, which can be customized to perform more complex tasks.
- Security question:Although blockchain databases are generally considered secure, there is still a risk of security breach or hacking. In addition, insufficient security measures in chat interfaces can create additional security problems.
- Dependency on internet connection:The chat interface requires a stable internet connection to function properly. In areas with poor internet connections, this may be a limitation.
Overall, while chat interfaces may provide some advantages in accessing blockchain databases, they may not be suitable for all use cases. Before implementing session interfaces in blockchain applications, it is important to consider their advantages and limitations.
After all
In summary, the concepts we have covered in this article include the following:
- Access blockchain databases via conversations using the GPT Neo model.
- Interact with blockchain networks using the Python programming language and the Web3.py library.
- Use the Hugging Face Transformers pack to interact with the GPT Neo model.
- Build a simple chatbot that can answer blockchain data queries by incorporating these technologies.
We can design more accessible and accessible interfaces for interacting with complex data. We can combine the power of blockchain technology andConversational AI.This approach can be used for many use cases, including supply chain management and finance, to ensure transparency, fairness and security.
As blockchain and conversational AI continue to develop, we can therefore expect more innovative and user-friendly solutions to emerge. Collectively, the integration of these technologies can open up new opportunities for creating more accessible and secure interfaces for interacting with complex data.
Media displayed in this article is not owned by Analytics Vidhya and is used at the sole discretion of the author.
related
blockchainblockchain datablog marathonchatbotchat interfacedatabaseEthereumGPTnythug facePythonWeb3.py