LibraryScaling2026Design paperCorpus record
Private ETH and ERC-20 Transfers
EIP 8182. Tom Lehman.
EIP 8182, Private ETH and ERC-20 Transfers. Private ETH and ERC-20 transfers via a shielded-pool system contract.
Status in the source: Review. A reading of the public specification, not a copy of it and not a certification.
Private ETH and ERC-20 Transfers is worth reading for the rule it actually adds: Private ETH and ERC-20 transfers via a shielded-pool system contract.
- Evidence
- Primary paper
- Re-measured
- No
- Assumptions
- 3
- Records linked
- 6
Code
Source, repository, and what is actually hosted
- EIP 8182https://eips.ethereum.org/EIPS/eip-8182
- The source URL is not a GitHub repository. No code remote is invented.
- Full text is not mirrored. Public availability is not a licence to copy the file onto this site.
- Add to a reading list
01 Claim ledger
What the paper is allowed to say
Each row is a sentence already in the study. The status is the same on every row: a model claim, not a live measurement.
Claim 01 · Paper model
The rule
Private ETH and ERC-20 transfers via a shielded-pool system contract.
Claim 02 · Paper model
What was already failing
An underpriced or ambiguous EVM rule is not a feature. It is a block that takes longer than the gas limit claimed, or a client that disagrees about the result.
Claim 03 · Paper model
What the number does not mean
The source marks this review. It is not a live consensus rule just because it has a number.
Claim 04 · Paper model
What a builder should be able to point at
An implementation either constrains ETH, ECDSA, ENS or it is a different design.
02 Three cuts
Observation, model, falsifier
A desk does not stop at the summary. Each claim is cut three ways, using only this study's own assumptions and checks. Nothing here is a new figure.
01 The rule
Model
What has to hold
You are implementing EIP 8182 at the status the text itself states: Review.
Falsifier
What would retire it
What does Private ETH and ERC-20 Transfers charge, reject, or redefine on the first touch versus a later one?
02 What was already failing
Observation
What the study says
An underpriced or ambiguous EVM rule is not a feature. It is a block that takes longer than the gas limit claimed, or a client that disagrees about the result.
Model
What has to hold
The object that has to change is ETH, ECDSA, ENS. A neighbouring document with a similar name is not this one.
03 What the number does not mean
Observation
What the study says
The source marks this review. It is not a live consensus rule just because it has a number.
Model
What has to hold
You are implementing EIP 8182 at the status the text itself states: Review.
04 What a builder should be able to point at
03 Sequence
One action, as an operating tape
- 01Open EIP 8182 and read the status line before the examples.
- 02Write down the rule in one sentence. A fair version of that sentence is: Private ETH and ERC-20 transfers via a shielded-pool system contract.
- 03Name the object that changes: ETH, ECDSA, ENS.
- 04Ask what an old client, an old contract, or an offline counterparty does. If the document is silent, the silence is part of the design.
04 Load-bearing
The argument, and where a pitch drops it
What the text is allowed to settle
The cut
Ethereum Improvement Proposal 8182 can settle the shape of Private ETH and ERC-20 Transfers. It cannot settle whether a later client, a later fork, or a later wallet still does this.
Why it carries weight
If this cut is skipped, the paper's name is being used without the mechanism that makes the name mean anything.
Where it is dropped
Constants in the text can be superseded by a later fork. Cite the EIP number and the fork you mean.
What this page will not pretend
The cut
There is no benchmark, no adoption number, and no claim that the mechanism is safe outside the assumptions written in the source.
Why it carries weight
If this cut is skipped, the paper's name is being used without the mechanism that makes the name mean anything.
Where it is dropped
The source marks this review. It is not a live consensus rule just because it has a number.
05 Register
What has to be true
Model · Not re-measured
You are implementing EIP 8182 at the status the text itself states: Review.
Model · Not re-measured
The object that has to change is ETH, ECDSA, ENS. A neighbouring document with a similar name is not this one.
Model · Not re-measured
Constants in the text can be superseded by a later fork. Cite the EIP number and the fork you mean.
06 Divergence
What happened after the paper
The source marks this review. It is not a live consensus rule just because it has a number. Later documents can narrow, replace, or ignore this one. Cite the number you mean.
A later client, parameter set, or reward formula is a different object. Cite this paper for the mechanism. Cite a primary release for the network. This desk has not re-run the proof.
07 Pre-mortem
What to check before you use the idea
- 0 of 3 marked on this browser. A mark is a reading note, not a pass, a rating, or a recommendation.
08 Anatomy
The paper, in the order a builder needs
The problem it names
An underpriced or ambiguous EVM rule is not a feature. It is a block that takes longer than the gas limit claimed, or a client that disagrees about the result.
What the design proposes
- Private ETH and ERC-20 transfers via a shielded-pool system contract.
- The pool does not mandate a single spend-authorization method: each user registers their own (e.g., ECDSA signature, passkey).
- Beyond installing the shielded-pool system contract at fork activation, this EIP introduces no new precompile, opcode, transaction type, or other change to the Ethereum protocol.
How the mechanism is specified
- Taken from the specification, the next constraint is: The pool does not mandate a single spend-authorization method: each user registers their own (e.g., ECDSA signature, passkey).
- Locate ETH, ECDSA, ENS in EIP 8182 and apply it to one transaction or call.
- Then check the failure the class of rule always has: a node that did not upgrade, a reverted call, a replayed signature, or a peer that does not speak the message.
What this page does not treat as proven
09 Lexicon
Terms, opened into the record
- EIP 8182
- The public text titled Private ETH and ERC-20 Transfers.
- Review
- The document's own label for how finished the text is. It is not a market fact.
10 Repository
Every linked record on this page
Underlined words open a page that already exists: a concept, a protocol profile, a failure record, or another paper. If a word is not underlined, this desk does not have a record for it.
This is Blockchain Lab's reading of a public design paper. It is not the paper, not a copy of it, and not an offer of tokens, equity, custody or a partnership. Later network behaviour can diverge from the text. Nothing here is investment, legal or technical advice.
Research status: Design paper. Last reviewed: 1 October 2026. This is a reading of a public paper, not investment, legal or security advice.