Polygon announced on August 13, 2021 that Hermez Network would join its Ethereum-scaling ecosystem in a transaction committing as many as 250 million MATIC tokens from the Polygon treasury. Polygon valued that maximum commitment at roughly $250 million using MATIC’s price when the agreement was reached on August 4, 2021—not the token’s market price on the announcement date.
The proposed combination mattered beyond its stated valuation. Polygon intended to integrate Hermez’s technology, operating network, 26-person team and HEZ token into a product renamed Polygon Hermez. It was an unusually broad attempt to combine two blockchain projects rather than merely purchase software or hire a development group.
A protocol and token integration
Under the terms disclosed on August 13, HEZ holders were expected to receive access to a conversion contract exchanging each HEZ for 3.5 MATIC. Polygon said that ratio came from the tokens’ respective prices at 11:00 a.m. Central European Time on August 4, 2021. MATIC would remain the Polygon ecosystem’s native token and assume HEZ’s security, reward and possible additional functions within Polygon Hermez.
That structure introduced questions not found in a conventional cash acquisition. The integration involved token holders who were not employees or ordinary corporate shareholders, and its implementation depended on a swapping contract that had not yet been published. Polygon also said HEZ would cease to exist after a date that remained undefined. The announcement therefore established an intended mechanism, not a completed conversion of every HEZ token.
Contemporaneous coverage described the arrangement as a $250 million acquisition, while Polygon called it a merger and said the process was beginning on August 13. The distinction is important: the surviving public record verifies the announced maximum treasury commitment and integration plan, but it does not provide a conventional closing statement, audited valuation or complete legal agreement.
Polygon makes a zero-knowledge bet
Hermez was developing a zero-knowledge rollup for Ethereum. In simplified terms, a rollup processes transactions outside Ethereum’s base layer and submits compressed data and cryptographic proofs back to Ethereum. The approach sought to increase capacity while retaining a relationship with Ethereum’s settlement and security model.
Polygon said Hermez already operated a live rollup and was working toward compatibility with the Ethereum Virtual Machine, the execution environment used by Ethereum applications. Those were Polygon’s contemporaneous technical characterizations; the August 13 records did not independently benchmark throughput, costs or the completion date of the planned EVM-compatible system.
The transaction accompanied a broader strategic statement from Polygon allocating $1 billion of treasury resources to zero-knowledge technology. That allocation was a forward-looking commitment rather than evidence that $1 billion had already been spent. It nevertheless showed that Polygon was seeking to expand beyond its existing proof-of-stake chain and software-development products by assembling multiple approaches to Ethereum scaling.
What was known on August 13
By the end of August 13, 2021, the verified development was an announced integration with specific treasury and token-conversion parameters. Polygon had identified the assets and personnel intended to move into Polygon Hermez, set a 3.5-to-1 MATIC exchange ratio for HEZ and placed the deal within its larger zero-knowledge strategy.
Important execution details remained open. Polygon had not announced the HEZ conversion deadline, published the promised swap contract or demonstrated the planned EVM-compatible system as a completed production product. The significance of the announcement was therefore strategic and institutional: a prominent Ethereum-scaling project was using its token treasury to absorb another network, its team and its native asset in pursuit of a zero-knowledge roadmap whose results were still prospective.
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