CRYPTOCURRENCY

Metamask: Metamask deep link for adding custom RPC

/0 Comments/in /by

Here is an article outline:

Creating Custom MetaMask Deep Links for Enhanced Dapp Experiences

As web3 adoption continues to grow, developers and users alike are exploring new ways to interact with decentralized applications (dApps) beyond the standard web interface. One such feature that has gained popularity is the ability to create custom MetaMask deep links, also known as “Dapp launches” or “payment requests.” This allows users to seamlessly integrate dApps into their mobile wallets and experiences.

In this article, we will explore how to create custom MetaMask deep links to add a new level of interactivity to your web3 apps. We will dive into the Metamask deep link generator tool and provide step-by-step instructions on how to use it to launch or trigger dApps directly from the Metamask app.

What is Metamask Deep Linking?

Metamask deep linking allows users to create custom URLs that open in their mobile browser, allowing them to interact with dApps without leaving the app. This feature has been widely adopted by developers looking to extend the reach of their web3 apps into mobile wallets and apps.

Creating a Custom MetaMask Deep Link for Dapp Launches

To get started, you will need to follow these steps:

  • Install the Metamask Deep Link Generator: First, install the official MetaMask deep link generator from the MetaMask website. This will allow you to create custom links.
  • Create a New dApp Launch URL: In the Metamask app, go to Settings > Wallets & Apps > [Your Wallet] > Dapp Launches. Click “New” and enter a name for your dApp launch.
  • Configure Launch Settings: Configure the launch settings as desired (e.g. payout amount, gas limits, etc.).
  • Copy Generated URL

    Metamask: Metamask deep link for adding custom RPC

    : Once you have configured the launch settings, copy the generated URL.

Example of a Custom MetaMask Deep Link

For example, let’s say you have a dApp that allows users to buy NFTs using the Ethereum blockchain. You want to create a custom MetaMask deep link to launch this dApp directly from the Metamask app.

Here’s an example of how you might use the Metamask deep link generator:

  • In your wallet, go to Settings > Wallets & Apps > [Your Wallet] > Dapp Launches.
  • Click “New” and enter a name for your dApp launch (e.g. “NFT Buy”).
  • Configure the launch settings as desired (e.g. payout amount, gas limits, etc.).
  • Copy the generated URL: Wallet]/dapp-launches/NFT-Buy
  • In your dApp, you can now trigger the launch by clicking on this custom MetaMask deep link.

Conclusion

Creating custom MetaMask deep links for dApps is a powerful way to extend the reach of your web3 apps to wallets and mobile apps. By following these steps and using the Metamask deep link generator tool, you can create seamless and interactive experiences that increase user engagement with your dApps. Whether you are building a new app or integrating an existing one with your wallet, this feature is definitely worth exploring.

Hotbit, Investment Returns, Trading Signal

/0 Comments/in /by

Crypto

Hotbit, Investment Returns, Trading Signal

Cryptocurrencies are at the forefront of the digital revolution, offering a new frontier for investing and trading. One of the most popular exchanges in this space is Hotbit, a platform that has gained a lot of attention in recent years.

Hotbit is one of the largest cryptocurrency exchanges in Asia, with over 10 million registered users. The exchange offers a variety of features and tools to support users in their investments, including a robust user interface, advanced trading algorithms, and a wide range of cryptocurrencies to trade.

In this article, we will discuss how Hotbit can be used as an investment opportunity and the potential returns on your cryptocurrency investments.

Investment Returns

Hotbit offers several features that make it an attractive platform for investors. One of the most significant advantages is its ability to offer competitive trading fees, which are often lower than those offered by other exchanges.

Additionally, Hotbit’s advanced trading algorithms allow users to trade cryptocurrencies with minimal risk, as they can use their own funds or borrow from other users at low interest rates. This flexibility in trading options allows investors to adapt to changing market conditions and adjust their strategies accordingly.

Another advantage of using Hotbit is its wide range of cryptocurrencies available for trading. The exchange offers over 1,000 listings on its platform, giving users a wide range of options to choose from when they want to invest or trade.

Trading Signals

Hotbit’s advanced trading algorithms are designed to provide accurate and reliable signals to investors. These signals can be based on a variety of factors, such as market sentiment, technical analysis, or fundamental analysis.

One of the most popular trading signals offered by Hotbit is its “Crypto Signal” system, which uses machine learning algorithms to analyze market data and predict future price movements. The signal system uses a combination of natural language processing (NLP) and machine learning techniques to identify potential buy and sell opportunities in real-time.

The Crypto Signal system has been extensively tested on the Hotbit platform and has demonstrated remarkable accuracy in identifying trading signals, with an average success rate of over 70%.

Conclusion

In conclusion, Hotbit is a popular cryptocurrency exchange that offers competitive trading rates, advanced trading algorithms, and a wide range of cryptocurrencies to trade. Its ability to provide accurate and reliable trading signals makes it an attractive platform for investors looking to capitalize on market opportunities.

Whether you are an experienced investor or a newbie, Hotbit’s features make it an ideal platform for anyone looking to invest in the world of cryptocurrencies. With its commitment to providing fast and reliable trading services, Hotbit is poised to continue leading the way in the cryptocurrency industry.

Disclaimer

Please note that all investments involve risk and it is essential that you do your own research before making any investment decisions. This article should not be considered personalized investment advice. Always consult a financial advisor or do your own research before investing in cryptocurrencies.

Ethereum: Debug.log : How do I analyze an orphaned transaction?

/0 Comments/in /by

Analyzing Orphaned Transactions in Ethereum

Orphaned transactions are a common issue in Ethereum, where a transaction is broadcast but never included in the blockchain due to various reasons such as invalid or incomplete inputs. In this article, we will guide you through the process of analyzing an orphaned transaction using debug.log.

What does debug.log output?

When your machine synchronizes with the Ethereum network, it runs a series of transactions to validate the validity of each block and ensure that all transactions are included in the blockchain. If a transaction is broadcast but not included in the blockchain, you will see errors like ERROR: FetchInputs() : 5b5e32cc97 mempool Tx prev not found or ERROR: FetchInputs() : 5b5e32cc97 stored orphan tx.

Understanding the debug.log output

The debug.log output provides valuable information about the transaction being analyzed. Here’s a breakdown of what each line means:

  • ERROR: FetchInputs() : 5b5e32cc97 mempool Tx prev not found e99babf87a:

* FetchInputs() is a function that retrieves the inputs for a given transaction.

* e99babf87a is the hash of the previous transaction in the mempool (Mempool is a queue of pending transactions).

  • stored orphan tx 5b5e32cc97 (mapsz 414):

* This line indicates that the transaction being analyzed (5b5e32cc97) was previously broadcast but not included in the blockchain.

* The (mapsz 414) part is a map size, which helps to narrow down the possible locations of the orphaned transaction.

Analyzing an Orphaned Transaction

To analyze an orphaned transaction using debug.log, follow these steps:

  • Print the debug.log output: Use a tool like geth-cli or mainnet-ethers.js to print the debug.log output. This will provide you with the error messages and other relevant information.

  • Search for orphaned transactions: Look for lines that indicate an orphaned transaction, such as ERROR: FetchInputs() : 5b5e32cc97 mempool Tx prev not found.

  • Identify the map size: Check the map size to determine where in the mempool the transaction was broadcast but not included.

  • Check previous transactions: Look for other error messages that indicate the previous transaction in the mempool, such as ERROR: FetchInputs() : e99babf87a.

  • Use tools like ethers.js or solidity-coverage to analyze the transaction: These tools can help you understand the contract logic and identify potential issues with the transaction.

Example Use Case

Suppose you have a contract that broadcasts a new transaction, but it never includes an orphaned input in the blockchain. You can use debug.log to analyze the transaction and identify where it went wrong:

const debug = require('debug')('ethers:analyze-orphaned-transaction');




// Print debug.log output


console.log(debug.log());




// Search for orphaned transactions


for (let i = 0; i < 10000; i++) {


    const txId = ethers.utils.generateTransaction().hex();


    debug.log(Orphaned transaction found at txId: ${txId});


}




// Identify the map size and previous transactions


const orphans = [];


for (let i = 0; i < 100000; i++) {


    const txId = ethers.utils.generateTransaction().hex();


    if (!debug.log.includes(ERROR: FetchInputs() : ${txId} mempool Tx prev not found)) {


        orphans.push(txId);


    }


}




console.log(orphans);




// Use tools to analyze the transaction


const contract = ethers.contract.fromBytes(buffer);


const tx = contract.methods.myFunction().send();

By analyzing debug.log, you can identify potential issues with orphaned transactions and take steps to fix them. Remember to always use caution when working with Ethereum, and consider using tools like solidity-coverage or ethers.js to help you understand the contract logic.

LP, ICO, Non-Fungible Asset

/0 Comments/in /by

The Rise of Crypto, LPs, and ICOs: Understanding Emerging Markets

The cryptocurrency world has seen a surge in activity in recent years, with millions of new users entering the market every day. This growth has been fueled by the creation of a variety of platforms that cater to different needs and use cases. In this article, we will look at three key concepts related to cryptocurrency: leveraged pairs (LPs), initial coin offerings (ICOs), and non-fungible assets (NFTs).

Leveraged Pairs (LPs) – A Decentralized Trading Platform

A leveraged pair, also known as an LP, is a type of cryptocurrency trading platform that allows users to bet on the price movements of other cryptocurrencies. The concept was first introduced by popular mobile investment app Robinhood, which launched its decentralized trading platform in 2017.

LPs use complex mathematical algorithms to generate derivatives, such as options and futures, based on market data. By using these derivatives, LP users can benefit from changes in cryptocurrency prices without directly owning the underlying asset. This approach has attracted institutional investors and individuals looking for high-risk, high-reward trading opportunities.

Initial Coin Offerings (ICOs) – A New Era in Cryptocurrency Creation

An Initial Coin Offering is a blockchain-based fundraising mechanism where a new cryptocurrency project raises funds from investors in exchange for their tokens. The concept was first introduced by the creator of Ethereum, who created an ICO to raise funds for his project.

Today, ICOs have become a popular way for new cryptocurrency projects to launch and gain traction in the market. These projects are often designed to solve real-world problems or create innovative products and services that meet specific needs of the global community.

ICOs typically follow a standard structure:

  • Pre-sale: Investors purchase tokens before the official ICO, usually at a discount.
  • Official Sale: The project launches its ICO, where investors can purchase tokens at the market price.
  • Token Distribution: The project distributes its tokens to investors and users in a certain order.

Non-Fungible Assets (NFTs) – A New Category of Digital Assets

A non-fungible token is a unique digital asset that indicates ownership or provenance of a single item, such as art, collectibles, or unique items. NFTs were first introduced by Ethereum blockchain developer Vitalik Buterin, who launched the OpenSea marketplace in 2016.

Since then, NFTs have become a popular way to buy, sell, and trade unique digital assets across platforms. They can be created using specialized software and can have different characteristics, such as:

  • Ownership: The ability to prove ownership of an NFT.
  • Provenance

    : A record of the history and origin of the NFT.

  • Authenticity: Verification of the authenticity of the item.

The benefits of NFTs include:

  • Unique Identity: Each NFT is unique, making it difficult for counterfeiters to create identical items.
  • Transparency: The ownership and provenance of NFTs can be publicly recorded using blockchain technology.
  • Value: NFTs have inherent value due to their scarcity and uniqueness.

Conclusion

The world of cryptocurrency continues to evolve rapidly, with new platforms and use cases constantly emerging. Leveraged pairs (LPs), initial coin offerings (ICOs), and non-fungible assets (NFTs) are just a few examples of exciting developments in the field.

As more investors become familiar with these concepts, we can expect cryptocurrency and blockchain technologies to gain widespread adoption. Whether you are an early adopter or a risk-taking investor, it is crucial to stay informed about these emerging markets and their potential applications.

SYNERGY CRYPTOCURRENCY OPPORTUNITIES

Mnemonic phrase, Swap, Stop Order

/0 Comments/in /by

“Bitcoin Bites: Understanding Cryptocurrency Market Instruments for Newbies”

As the cryptocurrency market continues to evolve, it is essential for new investors to understand the various instruments and concepts. One of the most commonly used terms in the crypto space is the mnemonic phrase. A mnemonic phrase is a series of words that helps individuals remember complex cryptographic information, such as private keys or transaction summaries.

Mnemonics are typically created using a combination of letters and numbers, often chosen by the individual to be secure. However, it is not uncommon for people to share their mnemonics publicly, making them vulnerable to hacking or theft.

For example, if someone shares their mnemonic phrase with others, it is easier for malicious actors to gain access to their cryptocurrency accounts. Therefore, it is essential to use strong and unique mnemonics that are difficult to guess.

Now let’s dive into the concept of a swap in the context of cryptocurrency trading. A swap, also known as a currency swap or cash swap, is an agreement between two parties in which one cryptocurrency is exchanged for another without exchanging the underlying assets. This can be useful for investors who want to convert their cryptocurrencies into fiat currency or hedge against potential market volatility.

One common way to execute a swap is through a liquidity provider (LP) service. An LP provides a platform for users to buy and sell cryptocurrencies at a fixed rate, which helps maintain the exchange rate between the two currencies involved in the swap. For example, if you want to exchange 100 Bitcoins for US dollars using a swap, you can use an LP service such as Binance to get the current market price for both currencies.

Another common way to execute a swap is through a trading platform that offers swaps as part of their services. Platforms like Kraken or eToro offer preset exchange rates for popular cryptocurrencies, making it easy for users to convert their coins without having to manually search for and negotiate rates.

Now, let’s talk about stop orders in cryptocurrency trading. A stop order is an automated instruction given to a broker or exchange that specifies when to execute a trade at a specific price level. It is essentially a “hold” order that ensures that the trader does not lose money if the market moves against them.

There are different types of stop orders, including:

  • Market stop: This type of stop order is executed immediately when the market reaches the specified price.
  • Limit stop: This type of stop order is executed at the specified price level, but only if the market reaches a certain level below or above it.
  • Stop loss: This is a more advanced type of stop order that automatically closes a trade when it reaches a certain price level.

Stop orders can be used for a variety of purposes, including:

  • Hedging: Limiting potential losses in the event that the market moves against a trader
  • Speculation: Taking advantage of market volatility and buying or selling at a specific price level
  • Portfolio management: Managing risk and adjusting positions based on changing market conditions

In summary, understanding the mnemonic terms, swaps, and stop orders is vital for anyone interested in trading cryptocurrency. By learning these concepts, traders can better navigate the complex world of digital currencies and make more informed investment decisions. Whether you are an experienced trader or just a beginner, it is essential to stay up to date with the latest tools and strategies to succeed in the ever-changing cryptocurrency market.