Ankr Network

ankr
Rank #523•
CoinYQ Dossier

The infrastructure company that kept changing the job of ANKR

Ankr did not begin as an RPC brand. Its own history starts in 2017 with unused machines in data centres and a broad market for computing. The business found a more concrete customer in blockchain developers who needed nodes they did not want to operate. That pivot made ANKR easier to describe, but not simple: the token now sits beside commercial APIs, an independent full-node market and a family of liquid-staking receipts that are often mistaken for it.

Idle machines were the first product thesis

The 2022 Ankr 2.0 whitepaper looks back to 2017, when the team wanted to redirect unused data-centre capacity toward Bitcoin mining, node hosting and Internet-of-Things workloads. It was a broad supply-side bet: aggregate machines first, then find jobs for them.

Blockchain nodes became the durable use. Ankr accumulated bare-metal servers, added hosted nodes and API access, and shifted toward the infrastructure beneath Web3 applications. The company did not abolish central operation during this transition; the whitepaper says the first Ankr Network was launched centrally so it could scale quickly.

RPC turned spare capacity into a repeatable service

A wallet or application needs a node whenever it requests a balance, log, fee estimate or contract result. Public RPC endpoints removed account setup for basic access, while paid tiers sold capacity and developer tools. Current documentation extends that catalogue to Advanced API, dedicated chains and rollups, staking and verifiable RPC.

Ankr 2.0 tried to make node supply less dependent on the company. Independent providers could connect full nodes to the routing network, while developers' requests were assigned through a load balancer. The whitepaper's 2022 payment and revenue splits describe the intended launch economics; they should not be read as a permanent 2026 tariff without a current accounting record.

ANKR backs full nodes, not chain consensus

The canonical ERC-20 arrived on 21 February 2019 with 10 billion units created once. Its verified code is unusually plain: transfers and allowances, with no mint, burn, pause, blacklist, owner or upgrade method. The tokenomics page says 40% was initially available and the other 60% was scheduled across August 2019–August 2022. Roughly 2% was sent to a dead address, but that does not decrement totalSupply.

Delegated staking gives the token another job. Providers self-stake and holders can delegate ANKR behind RPC full nodes to share rewards. That stake does not validate Ethereum, BNB Chain or the other chains whose data those nodes serve. The 2022 design contemplated slashing for independent providers and delegators, but current instructions list only Ankr as a selectable provider and the current FAQ says staking with Ankr has no slashing or other penalties. Governance is also mediated: 5 million ANKR is needed to propose, an administrator screens the submission, and the Ankr team implements an accepted change.

No slashing does not mean immediate access: the current FAQ sets an initial 84–91-day lock, followed by a 7–14-day undelegation period after an unstaking request.

The aBNBc exploit drew the asset boundary in losses

On 1–2 December 2022, an attacker obtained a developer key, altered the aBNBc liquid-staking contract and minted 60 trillion aBNBc. Ankr estimated about $5 million of BNB damage across decentralized-exchange pools. It discontinued aBNBc and aBNBb, introduced ankrBNB and announced purchases and airdrops for affected holders and liquidity providers.

The after-action report later blamed a former team member who had combined social engineering with a malicious software package. That attribution is Ankr's account. The durable technical lesson was narrower: a liquid-staking receipt whose update key is compromised can fail even when the separate ANKR ERC-20 has no mint authority. Ankr said future updates would require multisignature approval and timelocks; the reviewed sources do not independently prove that every current staking contract now uses the announced configuration.

A network token beside a company service

Current product pages still show two layers. Ankr Inc. contracts with customers for hosted access and tooling. The ANKR network design adds token-backed full-node providers and votes, but accepted governance is carried out by the team. Holding ANKR therefore supplies contract transfer rights and eligibility for documented staking and voting; it does not create a service-level agreement by itself.

The family names matter. ankrETH represents value deposited into Ethereum liquid staking; ankrBNB concerns BNB staking; bridged ANKR represents ANKR moved through a bridge. Their administrators, backing and exit paths differ. Even verifiable RPC has a stated boundary: signed HTTP results and a cloud-checked hardware quote are covered, while WebSocket streams, some off-chain reads and fully local attestation are not. The product is becoming easier to verify, but verification still has a perimeter.

How the project changed

  1. 2017
    Ankr begins with idle compute

    The company later dates its origin to a plan for reusing spare data-centre capacity across mining, nodes and other workloads.

  2. 2019-02-21
    The canonical ERC-20 is deployed

    The Ethereum constructor creates the full 10 billion ANKR supply at 0x8290…EDD4.

  3. 2019-08 to 2022-08
    The scheduled distribution window ends

    Official tokenomics allocates 60% for staged unlock after 40% initial availability, while reserving discretion over timing.

  4. 2022-07
    Ankr Network 2.0 reframes the market

    The whitepaper sets out independent RPC node providers, delegated ANKR and pay-as-you-go developer access.

  5. 2022-12-01/02
    A developer key breaks aBNBc

    An altered liquid-staking contract creates 60 trillion aBNBc; Ankr estimates roughly $5 million of BNB damage in DEX pools.

  6. 2022-12-20
    Ankr publishes its after-action account

    The company attributes the breach to a former team member and announces multisignature approvals and timelocks for updates.

Evidence and primary sources

Last evidence review: 2026-09-05

What is Ankr Network?

Ankr is a blockchain infrastructure company and network whose current catalogue includes public and paid RPC endpoints, multichain data APIs, dedicated chains and rollups, and staking products. ANKR is its Ethereum-origin ERC-20 used in delegated full-node staking and a proposal-and-vote process. It is not the gas coin of every chain that Ankr serves and it is not the receipt for ETH or BNB deposited through Ankr Liquid Staking.

What problem does Ankr Network solve?

A blockchain application must repeatedly read nodes: balances, blocks, logs and contract state. Running reliable nodes across many chains requires hardware, syncing, upgrades, archives and geographic redundancy. Ankr first tried to match many kinds of idle computing with demand. It later concentrated on this narrower access problem, while attempting to let independent providers contribute full nodes rather than leaving every request on company-run infrastructure.

How does Ankr Network work?

Developers send JSON-RPC or higher-level API requests to Ankr endpoints. A routing layer assigns requests to suitable nodes and paid plans add capacity and tools. The 2022 network design invited independent node providers to serve this traffic; delegated ANKR backs those full nodes and can share provider rewards, but this is not consensus staking on Ethereum or another supported chain. ANKR voting is also not automatic execution: a proposal needs 5,000,000 ANKR, passes a two-day administrator screen, and an accepted change is implemented by the Ankr team.

The canonical Ethereum token at 0x8290…EDD4 created 10 billion ANKR once. Its verified code has no later mint, burn, pause, blacklist, owner or proxy upgrade method. Bridged ANKR on other chains depends on separate bridge contracts. ankrETH, ankrBNB and similar tokens are different contracts tied to deposits of their named base assets. Current verifiable RPC adds signed HTTP responses and hardware-attestation checks, but its own documentation excludes WebSocket streams and some off-chain reads from that guarantee.

Key facts

  • Ankr's 2022 whitepaper dates the project to 2017 and an idle-data-centre computing thesis.
  • The same history says the team later shifted toward Web3 node hosting, RPC and staking infrastructure.
  • The canonical Ethereum ANKR contract was deployed on 21 February 2019 at 0x8290333cef9e6d528dd5618fb97a76f268f3edd4.
  • Verified code created 10 billion ANKR in the constructor and contains no additional mint, burn, pause, blacklist, owner or upgrade method.
  • The official distribution page records 40% initial availability and a scheduled 60% unlock from August 2019 to August 2022.
  • Delegated ANKR supports RPC full nodes, not the consensus validators of the chains served by Ankr.
  • Creating a governance proposal requires 5,000,000 ANKR; approved changes still require implementation by the Ankr team.
  • ANKR, ankrETH and ankrBNB are separate assets with different contracts and economic claims.
  • The December 2022 aBNBc incident involved 60 trillion maliciously minted tokens and an Ankr-estimated $5 million of BNB damage across DEX pools.
  • Ankr Inc.'s current service terms do not document equity, debt or reserve-redemption rights for an ordinary ANKR holder.

Official links

Frequently asked questions

Is ANKR a token for paying every Ankr RPC request?

The 2022 whitepaper proposed ANKR payment and discounts for paid RPC. Current products include public and commercial API access, but the reviewed current pages do not establish that every customer or request must settle on-chain in ANKR. Its clearest current documented roles are delegated full-node staking and governance participation.

Can the Ethereum ANKR contract mint more than 10 billion?

The verified canonical ERC-20 cannot. It assigned 10 billion at deployment and has no mint or upgrade entry point. Sending tokens to the dead address can reduce usable circulation without changing the contract's totalSupply value. Bridged versions have their own control surfaces.

Does staking ANKR validate Ethereum or BNB Chain?

No. The delegated-staking documentation says ANKR backs full nodes that answer RPC requests. Consensus validators stake the native asset and follow the rules of their own chain.

Does an ANKR vote execute a protocol change automatically?

No. A proposer locks 5 million ANKR, the submission waits through administrator screening, and token holders vote. The documentation says the Ankr team implements an accepted result.

Was ANKR itself infinitely minted in the 2022 exploit?

No. The compromised asset was aBNBc, a BNB liquid-staking token. An attacker altered that contract and minted 60 trillion aBNBc. The episode exposed update-key risk in a related staking product, not a mint function in the fixed-supply ANKR ERC-20.

What does holding ANKR legally provide?

The token contract provides possession and transfer functions, and platform rules provide staking and voting participation. The reviewed public terms do not grant company shares, a claim on Ankr Inc. revenue, or redemption against a reserve.

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