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Glossary

POL Migration

POL Migration is the process of moving protocol-owned liquidity from one decentralized exchange (DEX), liquidity pool version, or blockchain to another.
Chainscore © 2026
definition
TOKENOMICS

What is POL Migration?

POL Migration refers to the process of converting an existing native token or governance token into a new token standard or economic model, often to enhance utility, security, or governance.

POL Migration is the systematic transition of a blockchain project's native or governance token from one standard (like ERC-20) to another (like ERC-4626 for vaults) or to a fundamentally redesigned tokenomic structure. This process is not a simple rebrand but a technical and economic upgrade executed via a smart contract that allows holders to swap their old tokens for new ones at a predetermined rate. The primary catalysts for a migration include addressing security flaws in the original contract, increasing functional utility (e.g., enabling staking or fee-sharing), or consolidating token supply after a merger or acquisition.

The migration mechanism is typically governed by a migration contract or a dedicated portal. Users deposit their legacy tokens into this contract, which are then permanently locked or burned, and an equivalent amount of the new POL (Protocol-Owned Liquidity) or governance tokens are minted and distributed to the user's wallet. This process ensures a 1:1 or other specified conversion of economic value and voting power while preventing the inflationary effect of having two live supplies. Key considerations during this event include setting a migration deadline, providing clear user instructions, and ensuring the security of the new token's smart contract audit.

For developers and analysts, monitoring a POL migration involves tracking on-chain metrics such as the migration rate (percentage of old supply converted), the new token's distribution, and its subsequent integration into DeFi pools. A successful migration is characterized by high participant uptake, seamless integration with major exchanges and wallets, and the immediate functionality of the new token's promised features, such as protocol fee accrual or enhanced governance modules.

how-it-works
MECHANISM

How Does POL Migration Work?

POL migration is the technical process of converting a protocol's native token into a new token standard, typically to upgrade functionality, enhance security, or change economic models.

POL migration is a coordinated, multi-step process initiated by a blockchain protocol's core developers and governance body. It begins with a formal proposal and community vote to approve the migration's technical specifications and economic parameters. Once ratified, the development team deploys the new smart contract for the destination token, often on the same or a different blockchain. A critical component is the establishment of a secure migration portal or bridge contract, which acts as the one-way conversion mechanism where users can lock their old tokens and mint the new ones.

The migration mechanism typically involves a snapshot of token holder balances at a specific block height to ensure fairness. Users are then given a defined window to deposit their legacy tokens into the migration contract. This contract verifies the deposit and issues an equivalent amount of the new token to the user's wallet, often at a 1:1 ratio, though the ratio can be adjusted based on the new tokenomics. During this period, centralized exchanges may temporarily suspend deposits and withdrawals of the old token to facilitate the transition and prevent trading confusion.

From a technical perspective, the old token's smart contract may be permanently paused or have its mint/burn functions disabled after the migration period concludes, rendering it obsolete. The new token contract inherits or establishes updated features such as different inflation schedules, governance rights, or staking mechanics. Successful migrations require extensive testing, clear user communication, and often include liquidity provisioning strategies for the new token on decentralized exchanges to ensure a smooth market transition post-migration.

key-features
MECHANICAL UPGRADE

Key Features of POL Migration

The migration from ETH to POL fundamentally restructures the economic security and utility of the Polygon ecosystem. These are its core technical and economic components.

01

Native Gas Token & Staking Asset

POL replaces MATIC as the native gas token for all Polygon chains (e.g., PoS, zkEVM) and the primary staking asset for validators and delegators in the Polygon 2.0 ecosystem. This unification simplifies the economic model, ensuring a single token powers transactions and secures the network's shared security layer.

02

Hyperproductive Token Model

POL introduces a restaking mechanism where a single staked token can secure multiple chains and services simultaneously (e.g., a zkEVM Validium and a Data Availability layer). This allows stakers to earn rewards from multiple sources, dramatically increasing the utility and potential yield of the staked capital.

03

Protocol-Owned Liquidity

A core objective is transitioning treasury assets from MATIC to POL, creating a self-sustaining economic engine. This protocol-owned liquidity can be deployed to bootstrap new chains, provide ecosystem grants, and fund public goods, reducing reliance on external liquidity providers.

04

Seamless 1:1 Migration

The migration is a non-custodial, one-way upgrade at a 1:1 ratio (1 MATIC = 1 POL). Users interact with a migration contract, burning their MATIC to mint an equivalent amount of POL. This process is permissionless and designed for minimal disruption, with no deadline for completion.

05

Enabler for Polygon 2.0

POL is the foundational asset for the Polygon 2.0 vision of a Value Layer for the internet. Its hyperproductive nature is essential for scaling to thousands of ZK-powered L2 chains (like CDK chains) that share security and liquidity through a unified staking pool.

06

Emission & Inflation Control

The POL tokenomics introduce a controlled annual emission rate (initially 2%), directed as rewards to validators and stakers. This predictable, low inflation model is designed to sustainably fund network security over the long term, contrasting with MATIC's fixed supply and one-time staking rewards.

primary-motivations
POL MIGRATION

Primary Motivations for Migration

The transition from Proof-of-Stake (PoS) to Proof-of-Liquidity (PoL) is driven by fundamental shifts in network security economics and validator incentives.

01

Security Budget Sustainability

In a traditional Proof-of-Stake (PoS) system, security is funded by inflation or transaction fees paid in the native token. This creates a circular dependency where security value is tied to token price. Proof-of-Liquidity (PoL) decouples this by allowing validators to stake external, yield-bearing assets (like ETH or stablecoin LP tokens). This diversifies the security budget, making it more resilient to native token volatility and creating a more sustainable long-term model.

02

Capital Efficiency for Validators

PoS requires validators to lock native tokens, incurring opportunity cost by forgoing yield elsewhere. PoL improves capital efficiency by enabling validators to:

  • Stake productive assets that generate yield (e.g., stETH, Aave aTokens).
  • Earn dual rewards from both protocol security fees and the underlying yield of the staked asset.
  • Reduce idle capital, as the staked asset continues to work in DeFi while securing the chain.
03

Enhanced Economic Security

PoL aims to increase the cost of attack by anchoring security to deep, liquid markets. An attacker must acquire not just the native token, but a significant portion of a high-value external asset pool (e.g., ETH or USDC). This is often more expensive and creates stronger crypto-economic guarantees. The security is backed by the aggregate value of the staked liquidity, which can exceed the market cap of the native chain token.

04

Alignment with DeFi Composability

PoL integrates natively with the broader DeFi ecosystem. Staked assets remain composable and can be used as collateral in other protocols (via restaking mechanisms) or within the chain's own DeFi applications. This creates a positive feedback loop: more utility for the staked asset increases its demand and value, which in turn strengthens the chain's security. It moves from a closed staking system to an open, interoperable one.

05

Mitigating Tokenomics Pressure

Heavy PoS inflation to pay validors can lead to sell pressure and token value dilution. By shifting validator rewards to be funded by transaction fees and MEV in a multi-asset system, PoL reduces the need for high native token emissions. This can lead to a deflationary or lower-inflation model, which is often more attractive for long-term token holders and can improve the token's value accrual mechanics.

06

Attracting Institutional Capital

Institutions often seek yield on major assets like BTC, ETH, or stablecoins, but may be hesitant to acquire and stake a speculative layer-1 token. PoL lowers the barrier by allowing them to secure a network using assets they already hold and trust. This can unlock significant new sources of capital for chain security, moving beyond the typical retail staker base to include large liquidity providers and funds.

examples
POL MIGRATION

Real-World Examples

POL migration is a strategic treasury management process. These examples illustrate how major protocols have implemented it to enhance their economic security and governance.

05

The Broader Treasury Diversification Trend

POL migration is part of a larger shift in DAO treasury management away from holding only native tokens. Protocols are actively diversifying into:

  • Stablecoins (USDC, DAI) for stability.
  • Blue-chip crypto assets (ETH, BTC) for upside.
  • Yield-generating positions like POL and staking derivatives. This transforms treasuries from passive balance sheets into active, revenue-generating engines that fund operations without constant token sales.
06

Technical Implementation & Risks

Executing a POL migration involves several technical and strategic steps:

  • Governance Proposal: A formal vote to allocate treasury funds.
  • Asset Selection: Choosing the right pair (e.g., ETH/USDC) and DEX.
  • Concentration Parameters: Setting price ranges (for Uniswap v3) or pool weights.
  • Risk Management: Exposure to Impermanent Loss (IL) is a primary risk, as the treasury's asset composition changes with market moves. Successful POL requires active management and a long-term horizon.
MECHANISM COMPARISON

Types of POL Migration

A comparison of the primary technical mechanisms for migrating Proof of Liquidity (POL) tokens between protocols or chains.

MechanismDirect BridgeLiquidity RouterBurn & Mint

Core Process

Lock tokens on source, mint on destination

Swap via aggregated liquidity pools

Burn tokens on source, mint fresh on destination

Trust Assumption

Relies on bridge validator set

Trustless (smart contract logic)

Relies on destination chain mint authority

Finality Time

10 min - 4 hrs

< 1 min

~15 min (varies by chain)

Fee Structure

Bridge fee + gas

Swap fee + network gas

Gas only (no protocol fee)

Liquidity Requirement

Requires bridged liquidity on destination

Requires deep aggregated liquidity

Reversibility

Yes, via reverse bridge

Yes, via another swap

Settlement Guarantee

Conditional on bridge security

Atomic (success or revert)

Conditional on burn proof verification

Complexity

Low (user)

Low (user)

Medium (requires two transactions)

security-considerations
POL MIGRATION

Security & Risk Considerations

The migration of Proof-of-Liquidity (POL) tokens involves critical security steps and inherent risks that participants must understand before interacting with the process.

01

Smart Contract Risk

The core risk is interacting with the new migration smart contract. Users must verify the contract's authenticity and audit status. Key steps include:

  • Confirming the contract address from official sources (e.g., project blog, verified social media).
  • Checking for a public audit report from a reputable firm.
  • Understanding the contract's functions, especially any time-locks or multi-signature requirements for the treasury.
02

Private Key & Signature Security

Migration often requires signing a message or transaction with your private key. This is a high-risk operation. Critical precautions:

  • Never share your seed phrase or private key. Legitimate migrations never ask for this.
  • Verify the domain and SSL certificate of the migration portal.
  • Use a hardware wallet for signing if possible, as it keeps keys isolated.
  • Be wary of phishing sites mimicking the official migration page.
03

Centralization & Custodial Risk

The migration process is typically managed by a core development team, introducing temporary centralization risk. Considerations include:

  • The team controls the new contract and migration logic.
  • Funds may be held in a multi-signature treasury during the transition; the security of its signers is paramount.
  • There is a risk of admin key compromise which could divert funds.
  • Users rely on the team to correctly bridge tokenomics and rewards from the old system.
04

Timing & Finality Risks

Missing migration deadlines or encountering network congestion can lead to loss of functionality or value.

  • Migration windows are often time-bound; tokens left in the old contract may become illiquid or worthless.
  • High gas fees on Ethereum during peak times can make migration costly.
  • Ensure transaction finality on both the source and destination chains in a cross-chain migration to avoid double-spend or loss scenarios.
05

Verification & Transparency

Post-migration, users must independently verify the success and security of the new token system.

  • Use a block explorer to confirm your new token balance in your wallet.
  • Verify that the new token contract has been renounced or has clearly documented, limited privileges.
  • Check that liquidity pools for the new token are adequately funded and secured (e.g., via non-custodial AMMs).
  • Monitor for official communications regarding the burn or lock-up of old tokens.
PROOF OF LIQUIDITY

Common Misconceptions

Clarifying frequent misunderstandings about the transition from Proof of Stake to Proof of Liquidity, a core mechanism for decentralized validator security.

No, Proof of Liquidity (POL) migration is a fundamental architectural shift, not a rebrand. While traditional Proof of Stake (PoS) locks assets in a validator contract for security, POL redirects those assets into decentralized liquidity pools (e.g., Uniswap v3). The core innovation is that security capital becomes productive capital, earning fees and providing liquidity while still securing the network through a bonded derivative. This transforms staked assets from idle collateral into an active, yield-generating component of DeFi.

POL MIGRATION

Frequently Asked Questions (FAQ)

Essential questions and answers about the transition from Proof-of-Stake (PoS) to Proof-of-Liquidity (PoL) as implemented by protocols like Polygon.

POL migration is the process of converting a protocol's native staking token (like MATIC) into a new Proof-of-Liquidity (PoL) token (like POL) to upgrade its consensus and security model. The process typically involves a one-way, trustless bridge where users lock their old tokens in a smart contract and receive the new tokens on the upgraded chain. This migration is governed by on-chain proposals and community voting, ensuring a decentralized transition. The new POL token is designed to be hyperproductive, enabling validators to secure multiple chains within the ecosystem and earn rewards from each, fundamentally shifting from securing a single chain to securing an entire network of chains.

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