Your ecosystem guide / Polygon

Polygon: the PoS network, bridge and POL

Polygon PoS is an EVM-compatible Ethereum sidechain with its own validators. It supports payments, swaps and smart-contract applications. POL pays for Polygon transactions, while validator delegation takes place on Ethereum. Agglayer connects separate chains within the broader Polygon infrastructure.

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Sidechain: Own validators and Ethereum checkpoints; Verified on 15.10.2026
Mainnet: 137 · POL gas; Verified on 15.10.2026
Delegation: Ethereum staking contracts; Verified on 15.10.2026

POL, bridged assets and sPOL

The network and asset form determine the operation.

POL

Polygon gas

POL on Polygon pays transaction fees. Native MATIC on this chain migrated automatically to POL; Ethereum MATIC follows a separate migration process.

BRIDGE

Asset on the other side

A bridge maps an Ethereum asset to its Polygon representation. A native stablecoin and a similarly named bridged version can have different contracts and redemption paths.

sPOL

Staking pool share

sPOL is an Ethereum ERC20 representing a share of pooled POL and accumulated rewards. Its exchange rate reflects staking results.

Asset lifecycle

Bridging and staking follow different paths

A PoS bridge withdrawal requires a separate Ethereum confirmation stage.

Ethereum → Polygon

01Ethereum asset
02Bridge locks the asset
03Mapped asset on Polygon

Portal identifies the supported asset and direction. A PoS bridge deposit locks the origin asset and creates its mapped representation on the other side.

Mechanism rules ↗

Polygon → Ethereum

01Burn the bridged representation
02Checkpoint and proof
03Claim on Ethereum

Starting a Polygon withdrawal begins a sequence. After a checkpoint, a proof allows the origin asset to be claimed through a separate Ethereum transaction.

Mechanism rules ↗

Delegate POL

01POL on Ethereum
02Delegate to a validator
03Rewards and eventual exit

Delegation is submitted on Ethereum Mainnet. A validator receives stake to support the network; the delegator shares rewards under that validator’s terms. Exiting involves an unbonding period.

Mechanism rules ↗

PoS, Agglayer and liquid staking

These products serve different functions.

PoS

Application network

Mainnet uses chain ID 137 and POL for gas. Nodes and validators operate the sidechain; checkpoints connect its history to Ethereum.

AGGLAYER

Connecting separate chains

Agglayer provides cross-chain infrastructure. Connected chains retain their own parameters; a Polygon PoS balance belongs to that particular network.

sPOL

Transferable pool share

The staking interface issues sPOL. Holders can sell at an available DEX price or redeem through the unbonding process at the pool exchange rate.

Products and applications

Portal connects networks, Staking manages delegation and sPOL represents a pool share.

Bridge and assets

Polygon Portal

Select an asset and direction between Ethereum and Polygon and follow withdrawal stages.

Open ↗ How it works ↗

Validators and delegation

Polygon Staking

Choose a validator, delegate POL, manage rewards and exit through Ethereum.

Open ↗ How it works ↗

Liquid staking

sPOL

Deposit POL into a shared pool and receive sPOL. The pool uses a curated validator set.

Open ↗ How it works ↗

Start with the transaction network

Polygon operations need a wallet on Polygon Mainnet and POL for gas. Delegation and Ethereum-side bridge operations use Ethereum Mainnet and ETH.

Select the network

Polygon mainnet is 137. Amoy is a separate test network with test assets.

Identify the asset

Select both network and token contract: POL, a native stablecoin and a bridged version follow different routes.

Choose an application

Aave V3 uses Polygon for lending; Polymarket uses it for event positions. Each application defines its own assets and rules.

Exchange withdrawal fees

Withdrawal fees to Polygon
Coin	Exchange	Network on the exchange	Fee	Minimum	Withdrawals	Action
POL	HTX	POLYGON	0.1	0.5	Open	Withdraw
POL	Bitget	POLYGON	0.2	10.45259747	Open	Withdraw
POL	Bybit	MATIC	0.2	0.4	Open	Withdraw
POL	BingX	POLYGON	0.23	50.150452	Open	Withdraw
POL	Binance	MATIC	0.25	0.44	Open	Withdraw
POL	OKX	POLYGON	0.27	0.001	Open	Withdraw
POL	MEXC	POLYGON(MATIC)	0.3	1	Open	Withdraw
POL	Gate.io	MATIC	0.519	0.10423181	Open	Withdraw
POL	KuCoin	POLYGON POS	3	6	Open	Withdraw
POL	Kraken	POLYGON	4	6.5	Open	Withdraw

Exchange data as of 15.10.2026 20:07

Wallets for this network

Wallet

Phantom

A wallet for Solana, Ethereum, Base, Bitcoin and other supported networks. Available on mobile and as a browser extension, with asset transfers and app connections in one interface.

Polygon

iOS · Android · Extension

User controls keys

Download Phantom ↗ View details →

Checked 2026-10-01

Wallet · Terminal

OKX Wallet / DEX

A Web3 product combining self-custody with a dedicated DEX trading module. The wallet is available in apps and an extension; the DEX combines token discovery, analysis and swap execution.

Polygon

iOS · Android · Extension

User controls keys

Download OKX Wallet ↗ View details →

Checked 2026-10-01

All wallets →

Buying tokens

Trading terminals

Terminal

Definitive

A terminal for market, limit and TWAP orders. Prime uses a separate Trading Vault, with gas costs deducted during execution.

Polygon

Web

User controls keys

Open Definitive ↗ View details →

Definitive’s terms prohibit use by sanctioned persons and residents of territories subject to country-wide or territory-wide sanctions.

Checked 2026-10-08

OKX Wallet / DEX

Swaps and trading →

All terminals with the details →

Gas, validator rewards and delegation fees

Users pay POL gas for a Polygon transaction: the base fee is burned and the block validator receives the priority fee. Validators and delegators separately receive staking rewards after the selected validator’s commission. Ethereum operations incur ETH fees.

User

POL gas

EIP-1559

Base fee burn

baseFee

Block validator

priorityFee

Staking position rewards

Selected validator terms

Delegation rewards

Validator and delegator

Validator commission and delegator share under position rules

Balance, delegation and a pool share

Each form of POL enables different actions.

WALLET

Transfers and gas

Wallet POL can be transferred or spent on Polygon transaction fees.

STAKE

Manage delegation

A delegator receives position rewards and starts an exit through the Ethereum staking contract.

sPOL

Transfer or redeem

Transferring sPOL transfers the pool share. Redemption returns POL according to the exchange rate and exit procedure.

Documents, tools and communities

Base fee and priority fee ↗Polygon architecture ↗Mainnet parameters ↗Portal bridge ↗POL and migration ↗Delegating POL ↗sPOL accounting and exits ↗

3 Discord communities on Polygon

Checked on 15.10.2026

Polygon Support Polygon’s documentation links this support guild for its PoS sidechain. Community About the ecosystem Quickswap QuickSwap documents swaps and liquidity tools on Polygon PoS. Community About the ecosystem Aave Community Aave’s own guild; the official address book documents its Polygon V3 pool. Community About the ecosystem

Full list on discordcatalog.com →

3 sources about Polygon

Polygon network and team updates on PoS, applications, Open Money Stack and onchain payments. Foundation and Labs roles are stated separately.

Checked on 15.10.2026

Polygon 0xPolygon Official Polygon updates on the PoS network, payments, applications and Open Money Stack. Official Affiliation confirmed Sandeep Nailwal sandeepnailwal Polygon co-founder and Polygon Foundation CEO on the network, adoption and payment infrastructure. Builders About the ecosystem Marc Boiron 0xMarcB Polygon Labs CEO on onchain payments, integrations and Open Money Stack. Builders About the ecosystem

Full list on xfollowlist.com →

Reviewed: 15 October 2026

Practical questions

1Is Polygon PoS an Ethereum L2?

Polygon PoS is a sidechain with its own validators and Ethereum checkpoints. These define its security model.

2Why can I hold POL but not delegate it?

The delegation interface operates on Ethereum Mainnet. POL held on Polygon and POL on Ethereum are balances on different networks.

3Is one sPOL always one POL?

sPOL represents a pool share. Accumulated rewards change its exchange rate, while its DEX sale price is set by the market.

Continue in Yieldo

Ethereum Base network for the bridge and delegation Aave V3 borrowing and collateral Polymarket Event-outcome positions