Refundable Fungible Token

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.

1. Claim 01 · Paper model

   The rule

   This specification defines a type of escrow service with the following flow: - The seller issues tokens.

2. Claim 02 · Paper model

   What was already failing

   A token that each contract invents from scratch does not transfer, approve, or display in any other contract. The cost of a shared interface is that the interface's holes become everyone's holes.

3. Claim 03 · Paper model

   What the number does not mean

   The source marks this final. That is a statement about the text, not a promise that every wallet or node has shipped it.

4. Claim 04 · Paper model

   What a builder should be able to point at

   An implementation either constrains MUST 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.

1. 01 The rule

   Observation

   What the study says

   This specification defines a type of escrow service with the following flow: - The seller issues tokens.

   Model

   What has to hold

   You are implementing ERC 5528 at the status the text itself states: Final.

   Falsifier

   What would retire it

   Which function in Refundable Fungible Token actually moves or approves value?

2. 02 What was already failing

   Observation

   What the study says

   A token that each contract invents from scratch does not transfer, approve, or display in any other contract. The cost of a shared interface is that the interface's holes become everyone's holes.

   Model

   What has to hold

   The standard does not enforce royalties, identity, or a price. If the transfer function does not check it, the chain will not.

   Falsifier

   What would retire it

   Which function in Refundable Fungible Token actually moves or approves value?

3. 03 What the number does not mean

   Observation

   What the study says

   The source marks this final. That is a statement about the text, not a promise that every wallet or node has shipped it.

   Model

   What has to hold

   You are implementing ERC 5528 at the status the text itself states: Final.

   Falsifier

   What would retire it

   Which names does the text commit to: MUST?

4. 04 What a builder should be able to point at

   Observation

   What the study says

   An implementation either constrains MUST or it is a different design.

   Model

   What has to hold

   You are implementing ERC 5528 at the status the text itself states: Final.

   Falsifier

   What would retire it

   Which function in Refundable Fungible Token actually moves or approves value?

03 Sequence

One action, as an operating tape

1. 01Open ERC 5528 and read the status line before the examples.
2. 02Write down the rule in one sentence. A fair version of that sentence is: This specification defines a type of escrow service with the following flow: - The seller issues tokens.
3. 03Name the object that changes: MUST.
4. 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

1. What the text is allowed to settle

   The cut

   Ethereum Request for Comment 5528 can settle the shape of Refundable Fungible Token. 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

   An application standard is not consensus. A contract can ignore it and still be a valid account.

2. 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 final. That is a statement about the text, not a promise that every wallet or node has shipped it.

05 Register

What has to be true

• Model · Not re-measured

  You are implementing ERC 5528 at the status the text itself states: Final.

• Model · Not re-measured

  The object that has to change is MUST. A neighbouring document with a similar name is not this one.

• Model · Not re-measured

  The standard does not enforce royalties, identity, or a price. If the transfer function does not check it, the chain will not.

06 Divergence

What happened after the paper

The source marks this final. That is a statement about the text, not a promise that every wallet or node has shipped it. 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

1. Kill test 1Which function in Refundable Fungible Token actually moves or approves value?
2. Kill test 2What happens on a callback, a zero amount, or a contract recipient that rejects?
3. Kill test 3Which names does the text commit to: MUST?
4. 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

09 Lexicon

Terms, opened into the record

ERC 5528

The public text titled Refundable Fungible Token.

Final

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.

11 Related

The next papers, as theses

• Uniswap · 2020

  Uniswap v2 Core

  The 2020 core paper for Uniswap v2: a constant-product automated market maker, with arbitrary ERC-20 pairs, price accumulators, and a flash-swap callback. It is the clearest short specification of the pool that much of later DeFi either forked or assumed.

• ERC-20 · 2015

  Token Standard

  A token contract exposes total supply, balance, transfer, and allowances. Wallets and exchanges can integrate one interface.

• Balancer · 2019

  Balancer: A non-custodial portfolio manager, liquidity provider, and price sensor

  The Balancer paper generalises the two-asset constant-product pool to a weighted basket of several tokens. Traders rebalance the basket. Liquidity providers define target weights. The pool is both an index and a market.