Daren-Paul

What are the "K" and "M" meanings in coin/token "24h change" columns?

I thought this could be respectively Thousand and millions but after a small math exercise, I found that inaccurate, and here is why.
Let's consider this image as an example

The observed percentage gain of 5.80M% (5,800,000%) shown in the app does not align with the actual price change from 0.7570 to 2.778.
Let’s Break Down the Calculations
1. Given Data:

Initial Price (IP) = 0.7570
New Price (NP) = 2.778
Displayed Percentage Gain (x) = 5,800,000%

2. Calculate New Price Based on 5.8M% Increase:

If the app's displayed gain of 5.8 million percent were correct, the calculation would be:

{New Price} = {Initial Price} * (1 + {5,800,000/100}) = 0.7570 * 58000 = 4391.357

3. Calculate the Actual Percentage Gain:

Using your formula to find the correct percentage increase based on the actual price change:

x = {({New Price} - {Initial Price})}/{{Initial Price}} * 100

x = {(2.778 - 0.7570)}/{0.7570} * 100 = 266.97%

👽 Possible Explanation for the Discrepancy

This discrepancy suggests a potential bug or error in the app's percentage calculation. The displayed gain (5.80M%) was likely miscalculated due to:

👉 A data processing issue on the app's backend.
👉 A display glitch where the app misinterpreted data and erroneously presented an inflated percentage.

#CryptoAMA

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Have you ever wondered what this term refers to or pertains to in the crypto-ecosystem world? Well, that won't be the case anymore! But hold on—you'll need some basic understanding of topics like Blockchain, though.
Without further ado, let's break it though,
A DefinitionIts useHow it works

Definition
A smart contract, similar to any contract (an agreement between two or more parties, to perform a specific job or work order, often temporary or of fixed duration and usually governed by a written agreement), defines the conditions of an agreement. However, unlike traditional contracts, the terms of a smart contract are executed through code on a blockchain such as Ethereum. These contracts enable developers to create applications that benefit from blockchain's security, reliability, and accessibility, while providing advanced peer-to-peer capabilities—ranging from loans and insurance to logistics and gaming.
Like any conventional contract, smart contracts outline the terms of a deal. What makes them "smart" is that these terms are encoded and executed on a blockchain, rather than being written on paper and handled by legal professionals. Smart contracts build upon the core concept behind Bitcoin—allowing transactions without the need for a "trusted intermediary" like a bank—making it feasible to securely automate and decentralize virtually any type of transaction, no matter how complex. Since they operate on blockchains like Ethereum, they ensure security, reliability, and unrestricted global accessibility.
Why are smart contracts important?
Smart contracts enable developers to create a broad range of decentralized applications (dapps) and tokens. These contracts are utilized in various fields, from innovative financial tools to logistics and gaming, and are stored on a blockchain just like other cryptocurrency transactions. Once a smart-contract-based application is added to the blockchain, it is generally immutable, although there are exceptions in some cases.
Applications powered by smart contracts are commonly referred to as decentralized applications (dapps). This includes decentralized finance (DeFi) technologies, which are designed to revolutionize the banking sector. DeFi apps allow cryptocurrency holders to participate in complex financial activities—such as saving, lending, and insurance—without the need for traditional financial intermediaries like banks, and from any location in the world. Some of the popular smart-contract-driven applications include:
- Uniswap: A decentralized exchange that allows users to trade certain cryptocurrencies via smart contracts, without any central authority determining the exchange rates.
- Compound: A platform where smart contracts enable investors to earn interest and borrowers to obtain loans instantly, all without a bank as an intermediary.
- USDC: A cryptocurrency tied to the U.S. dollar through a smart contract, ensuring that one USDC is always equivalent to one U.S. dollar. USDC falls into a newer category of digital currencies known as stablecoins.
To understand how these smart contract tools might work in practice, imagine you own some Ethereum and want to trade it for USDC. You could use Uniswap, where a smart contract automatically finds the best exchange rate, completes the trade, and sends you the equivalent USDC. You might then deposit some USDC into Compound, lending it to others and earning an algorithmically determined interest rate—without needing to involve a bank or financial institution.
In traditional finance, currency exchanges are often costly and time-consuming, and lending assets to strangers across the globe is neither easy nor secure. However, smart contracts make both of these scenarios, along with countless others, possible.
How do smart contracts work?
Smart contracts were first introduced in the 1990s by computer scientist and lawyer Nick Szabo, who famously likened them to a vending machine. Imagine a machine that sells sodas for a quarter: when you insert a dollar and select a soda, the machine is programmed to either dispense the drink along with 75 cents in change, or, if sold out, prompt you to make another selection or return your dollar. This represents a basic smart contract. Just as a vending machine can facilitate a transaction without human involvement, smart contracts can automate a wide range of exchanges.
Today, Ethereum is the most widely used platform for smart contracts, though many other blockchain networks (such as EOS, Neo, Tezos, Tron, Polkadot, and Algorand) also support them. Anyone can create and deploy a smart contract on a blockchain. Their code is transparent and publicly accessible, allowing anyone to verify the contract's logic when it handles digital assets.
Smart contracts are programmed using various languages, including Solidity, Web Assembly, and Michelson. On the Ethereum blockchain, the code of each smart contract is stored on-chain, making it possible for anyone to inspect the contract’s code and its current state to ensure it functions as expected.
Every node on the network maintains a copy of all existing smart contracts and their current states, along with the blockchain and transaction data. When a smart contract receives funds from a user, its code is executed by all nodes on the network to reach consensus on the outcome and the flow of value. This process allows smart contracts to operate securely without a central authority, even for complex financial interactions between unknown parties.
To run a smart contract on the Ethereum network, users typically have to pay a transaction fee called "gas." This fee ensures that the blockchain continues functioning.
Once a smart contract is deployed on a blockchain, it is generally immutable—even the original creator cannot modify it (though there are some exceptions). This immutability protects the contract from being censored or shut down.
Okay folk, that's all, hope you enjoyed it and that the "Smart contract" thing was demystified!

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