How to bridge tokens from other chains to the Polygon Network

Bridging assets could assistance lick issues similar scalability, velocity and precocious fees. Bridging means users tin determination their tokens betwixt blockchain networks rapidly and cost-effectively.

The Polygon Bridge is utilized for cross-chain transactions betwixt the Polygon (MATIC) and Ethereum (ETH) blockchains. It allows users to transfer ERC tokens and NFTs to the Polygon sidechain through smart contracts.

This usher volition amusement you however to span Polygon with different blockchains. However, fixed that Ethereum is the level astir often utilized for decentralized concern (DeFi), nonfungible tokens (NFTs) and the metaverse, we’ll beryllium looking astatine however to span tokens from the Ethereum web to Polygon, an progressively fashionable platform owed to its businesslike interoperability.

How to usage the Polygon bridge?

The Polygon span is designed to link antithetic blockchains with accelerated and inexpensive transactions truthful that users tin easy transportation tokens backmost and forth. It besides enhances the Ethereum ecosystem done businesslike tools that assistance physique scalable decentralized applications (DApps).

The Polygon Bridge allows users to determination tokens from Ethereum ERC20 to Polygon Matic, Polygon’s autochthonal token, which is the cheapest mode to span ETH to Polygon.

Related: Polygon blockchain explained: A beginner's usher to MATIC

Here’s however to span assets to Polygon

There are two Polygon bridges: the proof-of-stake (PoS) Bridge, which is the authoritative Matic Bridge, and the Plasma Bridge.

Both bridges tin beryllium utilized to transportation tokens from Ethereum to Polygon and vice versa, but they are antithetic successful their attack to information methods.

The PoS Bridge is the astir fashionable and straightforward for transferring ETH and astir ERC tokens. It uses the PoS statement algorithm to unafraid its network.

Deposits connected the PoS Bridge are instantly secured, but withdrawals whitethorn instrumentality a portion to confirm. A PoS Bridge withdrawal usually takes betwixt 45 minutes and 3 hours, portion the Plasma Bridge tin instrumentality arsenic agelong arsenic 7 days.

The Plasma Bridge is much suitable for developers that necessitate higher security. It uses the Ethereum Plasma scaling solution and supports the transportation of MATIC, ETH, ERC-20 and ERC-721 tokens.

Related: Proof-of-stake vs. proof-of-work: Differences explained

How to usage the Matic Bridge to span tokens

To span tokens from Ethereum to Polygon, the archetypal request is entree to a compatible cryptocurrency wallet, specified arsenic MetaMask, but different options tin besides beryllium used, arsenic shown below.

1. Log successful to the Polygon Web Wallet by clicking connected the Polygon Bridge.

2. Next, you request to link your Ethereum wallet. In this example, Metamask is used, but different options, arsenic mentioned successful the representation below, tin besides beryllium employed.

3. A integer signature is required to link your MetaMask wallet to your Polygon wallet. Ensure the URL is close earlier clicking connected motion successful to proceed to debar immoderate scamming attempt.

4. To nonstop your tokens from Ethereum to Polygon, spell to the deposit tab and click connected the required token you privation to bridge. Enter the magnitude and click transfer. Read the notes connected the pursuing leafage and click continue. You volition past beryllium directed to hold to the estimated state fees and click continue.

5. You tin reappraisal your transaction details, specified arsenic the token magnitude and the estimated transaction fee, connected the pursuing leafage earlier completing the operation. Then click proceed to motion and o.k. the transfer.

6. Once confirmed, you tin cheque the transaction presumption connected Etherscan.

You tin besides usage Polygon Bridge Matic to tally the inverse transaction to transportation MATIC to Ethereum. Similarly, you'll request a compatible crypto wallet specified arsenic MetaMask.

To transportation tokens from Polygon to Ethereum blockchain via the PoS Bridge, travel the pursuing steps:

You tin presumption the presumption of the transaction connected Etherscan. It mightiness instrumentality up to 3 hours for the transaction to beryllium verified by PoS validators and completed. Once validated, you volition request to assertion the tokens to the MetaMask wallet. Click proceed to let the withdrawal to complete.

How to usage the Plasma span connected Polygon

The Plasma Bridge tin assistance you transportation MATIC oregon different Polygon tokens to Ethereum. However, it lone supports the transportation of ERC-20 and ERC-721 tokens, including ETH and MATIC. It uses the Ethereum Plasma scaling solution for higher security, which is wherefore it’s the preferred instrumentality by developers.

To transportation Matic, for instance, from Polygon to Ethereum, immoderate Ethereum wallet specified arsenic Metamask tin beryllium used. You request to adhd the Polygon web to your wallet earlier you tin presumption your MATIC and commencement the process. It’s casual to adhd the Polygon network, conscionable travel the instructions.

For example, connected Metamask, marque definite that you're connected to your MetaMask wallet. Then click the Switch to Polygon fastener connected the top.

A pop-up from your MetaMask hold with the Polygon web details volition appear, past click approve.

To spot Matic connected your Metamask wallet, you request to power your MetaMask from the Ethereum Mainnet to the Polygon network. Just click connected the power network.

To span MATIC to Ethereum utilizing MetaMask, you tin travel the pursuing steps:

Please enactment that the process progressive successful Step 5 is much burdensome than the PoS Bridge arsenic you request to corroborate 3 transactions manually for a Plasma Bridge transfer. The archetypal volition initiate your withdrawal from the Polygon wallet, which could instrumentality up to 3 hours.

Ethereum state fees person been a important contented successful the past mates of years since NFTs and DeFi person go fashionable owed to web congestion. Layer-2 systems (L2s) are a secondary furniture oregon protocol built connected apical of an existing blockchain system. Their main extremity is to lick the transaction velocity and scaling difficulties faced by the large cryptocurrency networks.

Polygon to Ethereum span fees tin beryllium reduced by utilizing tools similar QuickSwap.

QuickSwap is Polygon’s superior decentralized speech (DEX) and functions arsenic the halfway of the network.

Any ERC-20 token with liquidity tin beryllium traded connected QuickSwap, and fees are people paid successful MATIC, offering sizeable savings.