Lately I have started to searching about new bridges and oracles because those two things are essential,.


**Blockchain**
 https://i.imgur.com/hbyNJ8U.png 
[source](https://www.investopedia.com/terms/b/blockchain.asp)
Unlike traditional banks, where transactions are controlled by a central authority, blockchain operates on a decentralized network of computers (nodes). Each node has a copy of the entire ledger, ensuring transparency and security.
Once a transaction is recorded on the blockchain, it cannot be altered or deleted. This immutability ensures the integrity of the data and prevents fraud.
 Every transaction on the blockchain is visible to all participants, fostering trust and accountability.

Now, let's talk about bridges.

**Understanding Bridges**
 https://i.imgur.com/aX0GWKN.png 
[source](https://www.zenledger.io/blog/cross-chain-bridges-what-they-are-why-theyre-important/)
Imagine two separate islands, each with its own unique currency. A bridge connects these islands, allowing people to exchange goods and services seamlessly. Similarly, a blockchain bridge connects two or more blockchain networks, enabling the transfer of assets and data between them.

**Here's how it works**

Interconnectivity: Blockchain bridges serve as gateways between different blockchain ecosystems, facilitating interoperability. They enable assets like cryptocurrencies and tokens to move between blockchains without the need for intermediaries.

Asset Transfer: Suppose you have Ethereum tokens (ERC-20) but want to use them on the Binance Smart Chain. A blockchain bridge allows you to convert your Ethereum tokens into their equivalent on the Binance Smart Chain, opening up a world of possibilities for decentralized finance (DeFi) applications.

Security: Since bridges handle valuable assets, they must be secure to prevent unauthorized access or manipulation. Robust security measures such as encryption and multi-signature authentication are implemented to safeguard transactions. But the most exploits are happening in those bridges.

Now, let's introduce oracles into the mix.

**Oracles**

Imagine you're planning a beach trip and want to check the weather forecast. Instead of relying solely on your intuition, you consult a weather oracle—an entity that provides reliable weather predictions. In the blockchain world, an oracle serves a similar purpose by providing external data to smart contracts.

**Here's how it helps**
https://i.imgur.com/dvrefx0.png
[source](https://blockgeeks.com/guides/blockchain-oracles/)
External Data Feeds: Smart contracts on the blockchain are self-executing agreements with predefined conditions. However, they lack access to real-world data, such as stock prices or weather conditions. Oracles bridge this gap by supplying external data to smart contracts, enabling them to trigger actions based on real-time information.
Suppose you enter into a smart contract that automatically pays out insurance claims in the event of a natural disaster. The smart contract relies on an oracle to fetch weather data and determine whether the conditions for payout are met.

Now, how oracles, bridges, and blockchains intersect.

  
Imagine you're trading tokens on a decentralized exchange (DEX) that operates across multiple blockchains. To ensure fair and accurate pricing, the DEX relies on an oracle to fetch real-time market data from various sources. Additionally, suppose you want to transfer tokens between different blockchains using the DEX's bridge feature. The bridge relies on oracles to verify the authenticity of transactions and ensure proper asset conversion.

In essence, oracles, bridges, and blockchains work together to create a seamless and interconnected ecosystem. Oracles provide external data to smart contracts, bridges enable interoperability between blockchains, and blockchains serve as the underlying infrastructure for decentralized applications.



Blockchain, bridges, and oracles are the building blocks of the decentralized economy. By enabling secure and transparent transactions, facilitating interoperability between disparate blockchain networks, and providing access to real-world data.
.

Posted Using [InLeo Alpha](https://inleo.io/@steemychicken1/blockchain-bridges-and-oracles)