Glo Dollar

Ethereum

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Glo Dollar (USDGLO) is a cryptocurrency launched in 2023and operates on the Ethereum platform. Glo Dollar has a current supply of 1,816,049 with 0 in circulation. The last known price of Glo Dollar is 0.99998495 USD and is up 0.02 over the last 24 hours. It is currently trading on 47 active market(s) with $6,830.23 traded over the last 24 hours. More information can be found at https://www.glodollar.org/.

## What Is Uniswap (V3) (Optimism)?

Uniswap is the largest decentralized trading and automated market-making protocol on Ethereum. Uniswap (V3) (Optimism) is the third iteration of the decentralized cryptocurrency exchange ([DEX](https://coinmarketcap.com/alexandria/glossary/decentralized-exchange-dex)). The platform introduced the concept of [concentrated liquidity](https://coinmarketcap.com/alexandria/glossary/concentrated-liquidity), which improves the liquidity providing efficiency and makes it easier for some assets to gain exposure. 

Liquidity providers (LPs) can also choose where and how they allocate their funds. Notably, LPs can supposedly earn higher rewards on their capital by providing liquidity with up to 4000x capital efficiency relative to Uniswap v2.

Although Uniswap V3 is an update to previous versions, users can still trade on [Uniswap V2](https://coinmarketcap.com/exchanges/uniswap-v2/).

### Who Are the Founders of Uniswap (V3) (Optimism)?

The decentralized exchange was launched by Uniswap Labs, founded by Hayden Adams.

Adams was an engineer at Siemens. He obtained a bachelor’s degree in mechanical engineering from Stony Brook University in 2016. After leaving Siemens in July 2017, he created the Uniswap protocol in October 2017.

### When Was Uniswap (V3) (Optimism) Launched?

The Alpha launch of Uniswap v3 on the Optimism Ethereum mainnet was announced on July 13, 2021.

### Where Is Uniswap (V3) (Optimism) Located?

The company has its headquarters in New York.

### Uniswap (V3) (Optimism) Restricted Countries

The platform is restricted in countries subject to US sanctions, including Syria, Iran, and Belarus.

### What Coins Are Supported on Uniswap (V3) (Optimism)?

Uniswap (V3) (Optimism) currently has 20 cryptocurrencies, zero fiat currencies, and 115 crypto trading pairs.

### How Much Are Uniswap (V3) (Optimism) Fees?

The DEX has a multi-tier fee structure that compensates liquidity providers based on the risk level of their investment. There are three fee categories – 0.05%, 0.30%, and 1%. The fee is based on the volatility of the trading pair. For instance, non-correlated pairs may attract a fee of 0.3% or 1% because they are generally riskier.

### Is it Possible To Use Leverage or Margin Trading on Uniswap (V3) (Optimism)?

Uniswap (V3) (Optimism) is primarily a DEX for swapping assets. As such, it does not support margin trading.

Uniswap v3 (Optimism)

## What Is Uniswap (V3) (Arbitrum)?

[Uniswap](https://coinmarketcap.com/currencies/uniswap/) is a [decentralized exchange](https://coinmarketcap.com/alexandria/glossary/decentralized-exchange-dex) (DEX) that pioneered the [automated market maker](https://coinmarketcap.com/alexandria/glossary/automated-market-maker-amm) (AMM) model. The introduction of the AMM allowed users to trade against a [liquidity pool](https://coinmarketcap.com/alexandria/glossary/liquidity-pool) offering a constant source of liquidity with its product formula. The V3 version of the exchange presents services to [Ethereum](https://coinmarketcap.com/currencies/ethereum/) [layer-two](https://coinmarketcap.com/alexandria/glossary/layer-2) solutions. 

The AMM model premiered in the V1 version of the exchange, with the V2 version allowing trading between different [ERC-20](https://coinmarketcap.com/alexandria/glossary/erc-20) token pairs instead of [swaps](https://coinmarketcap.com/alexandria/glossary/token-swap) between [ETH](https://coinmarketcap.com/currencies/ethereum/) and ERC-20 tokens. The consequence was reduced [slippage](https://coinmarketcap.com/alexandria/glossary/slippage), benefiting the evolution of the exchange. Furthermore, it introduced protocol fees to continue development. In the V2 version, [wrapped Ether](https://coinmarketcap.com/alexandria/article/what-is-wrapped-ethereum-weth) instead of native Ether was available for the first time as liquidity for token pairs.

Improvements in the V3 version include unique price curves for [liquidity providers](https://coinmarketcap.com/alexandria/glossary/liquidity-provider-tokens-lp-tokens), allowing them to centralize their capital at desired prices to improve capital efficiency. Another feature implies the automatic capital removal if prices change significantly and exceed the LP’s price range. The V3 is the first version available on [Arbitrum](https://coinmarketcap.com/alexandria/article/what-is-arbitrum-the-ultimate-guide-to-the-arbitrum-ecosystem), a scaling solution for Ethereum that opens up a more affordable trading experience thanks to its significantly lower trading fees.  


## Who Is the Founder of Uniswap (V3) (Arbitrum)?

Hayden Adams, a former mechanical engineer at Siemens and Stony Brook University graduate, founded the decentralized exchange in November 2018. Uniswap Labs, the development company behind the DEX, was financed by [crypto VC funds](https://coinmarketcap.com/alexandria/article/what-are-the-top-crypto-venture-capital-firms) like Paradigm in a Series A, raising $11 million in the round led by ​​Andreessen Horowitz.


## When Did Uniswap (V3) (Arbitrum) Launch?

V1 launched in November 2018. The improved V2 version hit the market in August 2020. The V3 version launched in May 2021 on Ethereum and on August 31, 2022, on Arbitrum. 


## Where Is Uniswap (V3) (Arbitrum) Located?

The headquarters of Uniswap Labs are in New York City. 


## Uniswap (V3) (Arbitrum) Restricted Countries

Uniswap has officially restricted the following countries from using its services: Belarus, Cuba, Iran, North Korea, Syria, Côte d'Ivoire, Liberia, Sudan, Zimbabwe, Iraq, and Iran.


## Uniswap (V3) (Arbitrum) Supported Coins List 

Since this is a [permissionless](https://coinmarketcap.com/alexandria/glossary/permissionless) decentralized exchange, any user is free to list tokens and provide liquidity to facilitate trading. The most liquid tokens, at the time of writing, include [stablecoins](https://coinmarketcap.com/alexandria/glossary/stablecoin) and wrapped tokens like [USDC](https://coinmarketcap.com/currencies/usd-coin/), [Wrapped BTC](https://coinmarketcap.com/currencies/wrapped-bitcoin/), [wETH](https://coinmarketcap.com/currencies/weth/), and [DAI](https://coinmarketcap.com/currencies/multi-collateral-dai/). 


## How Much Are Uniswap (V3) (Arbitrum) Fees?

The V3 version has a flexible fee mechanism. Stablecoin trading pairs are the cheapest, with a  0.05% fee. Standard non-correlated pools like ETH carry a fee of 0.30%, with other pairs priced at a fee of 1%. There is no more protocol fee, although it can be turned on through [governance](https://coinmarketcap.com/alexandria/glossary/governance). 


## Is It Possible to Use Leverage or Margin Trade on Uniswap (V3) (Arbitrum)?

Uniswap V3 does not offer [leverage](https://coinmarketcap.com/alexandria/glossary/leverage) or [margin trading](https://coinmarketcap.com/alexandria/glossary/margin-trading).

Uniswap v3 (Arbitrum)

## What Is Uniswap (V3) Polygon?

Uniswap is a [decentralized exchange](https://coinmarketcap.com/alexandria/glossary/decentralized-exchange-dex) (DEX) that introduced the [automated market maker](https://coinmarketcap.com/alexandria/glossary/automated-market-maker-amm) (AMM) model for the first time in the market. With this innovation, traders tap into a constant pool of liquidity and trade against an algorithm using a constant product formula. With its V3 version, the exchange branched out to blockchains other than [Ethereum](https://coinmarketcap.com/currencies/ethereum/) for the first time. 

After the introduction of the AMM model in V1, the V2 version allowed trading between different [ERC-20](https://coinmarketcap.com/alexandria/glossary/erc-20) token pairs instead of [swaps](https://coinmarketcap.com/alexandria/glossary/token-swap) between [ETH](https://coinmarketcap.com/currencies/ethereum/) and ERC-20 tokens. This reduced [slippage](https://coinmarketcap.com/alexandria/glossary/slippage) and introduced protocol fees to continue the exchange’s development. The V2 version also introduced [wrapped Ether](https://coinmarketcap.com/alexandria/article/what-is-wrapped-ethereum-weth) instead of native Ether as liquidity for token pairs.

In the V3 version, [liquidity providers ](https://coinmarketcap.com/alexandria/glossary/liquidity-provider-tokens-lp-tokens)can build unique price curves and centralize their capital at desired prices to improve capital efficiency. It also activated automatic removal of capital if prices change significantly and exceed the LP’s price range. With the introduction of V3, Uniswap also launched on Polygon for the first time. Thanks to its lower gas fees, users can now access a much more affordable trading experience   


## Who Is the Founder of Uniswap (V3) Polygon?

The exchange was founded by Hayden Adams, a former mechanical engineer at Siemens and Stony Brook University graduate in November 2018. Uniswap Labs, the development company behind the exchange, raised a seed round from Paradigm and $11 million in a Series A round led by ​​Andreessen Horowitz.


## When Did Uniswap (V3) Polygon Launch?

After the launch of the V1 version in November 2018 and the subsequent improvement with the V2 version in August 2020, the V3 version was launched in May 2021. However, the V3 version came out on Polygon only in November 2021.


## Where Is Uniswap (V3) Polygon Located?

The headquarters of Uniswap Labs are in New York City. 


## Uniswap (V3) Polygon Restricted Countries

Uniswap has officially restricted the following countries from using its services: Belarus, Cuba, North Korea, Syria, Côte d'Ivoire, Liberia, Sudan, Zimbabwe, Iraq and Iran.


## Uniswap (V3) Polygon Supported Coins List 

As a [permissionless](https://coinmarketcap.com/alexandria/glossary/permissionless) decentralized exchange, tokens can be freely listed by anyone providing liquidity to trade them. The most liquid tokens, at the time of writing, include [stablecoins](https://coinmarketcap.com/alexandria/glossary/stablecoin) and wrapped tokens like [USDC](https://coinmarketcap.com/currencies/usd-coin/), [Wrapped BTC](https://coinmarketcap.com/currencies/wrapped-bitcoin/), [wETH](https://coinmarketcap.com/currencies/weth/) and [DAI](https://coinmarketcap.com/currencies/multi-collateral-dai/). 


## How Much Are Uniswap (V3) Polygon Fees?

The V3 version has a flexible fee mechanism. Stablecoin trading pairs have a fee of 0.05%, standard non-correlated pools like ETH and stablecoins have a fee of 0.3%, and other pairs have a fee of 1%. There is no more protocol fee, although it can be turned on through [governance](https://coinmarketcap.com/alexandria/glossary/governance). 


## Is It Possible to Use Leverage or Margin Trade on Uniswap (V3) Polygon?

Uniswap V3 does not offer leverage or margin trading.

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