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Ordinal theory is a scheme for numbering individual bitcoin units (satoshis) and tracking these across the transaction graph, treating them as non-fungible tokens. The scheme also allows attaching images or other files (called "inscriptions") to the satoshis.

2 votes
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Why would someone create a transaction where the fee is bigger than the sum of the outputs?

My guess is those are Ordinals Inscriptions (NFTs). They typically have a single output of 10000 Satoshi (about $28 US). Update: Yes, typical huge witness data in one I checked. … Some ordinals are small though. …
RedGrittyBrick's user avatar
2 votes

A few questions on BRC20

Are there some kind of verification algorithms/checking processes for BRC 20 tokens on bitcoin source code? The source code of Bitcoin core has no knowledge whatsoever of BRC-20 This is true of man …
RedGrittyBrick's user avatar
0 votes

Unsuccessful Bitcoin Script Execution: Seeking Assistance

As I commented, I am not an expert in Ordinals, Inscriptions or BRC-20. Do this entirely at your own risk. Addendum. … , the Taproot BIPs and the documentation for BRC-20 and ordinals inscription. …
RedGrittyBrick's user avatar
1 vote
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How can we check if a transaction is an ordinal transaction in the mempool?

Since Bitcoin core is unaware of Ordinals, I guess you'd have ask it for the raw tx data and parse the witness data looking for the "ord" fingerprint, following Casey Rodarmor's specification. …
RedGrittyBrick's user avatar
1 vote

Parsing Ordinals Transaction, the inscribed data part

A is the data required by OP_CHECKSIG B is the final witness component Neither are part of the inscription, they are parts of the normal transaction in which the inscription is lurking.
RedGrittyBrick's user avatar
3 votes
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Does ordinal theory affect fungibility?

Are ordinals just serial numbers attached to specific satoshis? As I understand it yes. The serial numbers are assigned to transaction outputs. …
RedGrittyBrick's user avatar
3 votes

Do know which UTXO fees are chosen from? Need help on an inscription in a native segwit wallet

The Ordinals project makes an arbitrary assignment according to its own off-chain rules. … I guess you would have to manually construct a transaction that makes this order correspond to the external Ordinals rules you want to apply. …
RedGrittyBrick's user avatar
2 votes

Where exactly is the Inscription media stored in witness signature?

I think this is explained at https://docs.ordinals.com/inscriptions.html Inscription content is serialized using data pushes within unexecuted conditionals, called "envelopes". Envelopes consist of a …
RedGrittyBrick's user avatar
1 vote

Why are bitcoin and ordinal wallet addresses different?

Ordinals, Inscriptions and BRC-20 This is a question and answer website specifically for Bitcoin. This means Ordinals, Inscriptions and BRC-20 etc are off-topic. … Ordinals are not an altcoin. Ordinals is a set of rules for assigning a number to a unit of money in a Bitcoin transaction. …
RedGrittyBrick's user avatar
2 votes

Can someone explain the byte composition of an inscription reveal transaction?

OP_PUSHBYTES_32 1809cc80b0c9bf0277e774f7f78c5dd0c61f9eda7bec7875dc99457bbf61af8f OP_CHECKSIG OP_0 OP_IF OP_PUSHBYTES_3 6582895 Those three bytes are hex 6F7264 which is ASCII ord meaning the Ordinals
RedGrittyBrick's user avatar
2 votes
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Is the Taproot upgrade really essential for BRC-20 tokens on Bitcoin?

As far as I know, in principle, BRC-20, or something equivalent, only really needs to store about 60 bytes in some predictable location in a Bitcoin transaction. Nothing else. There is a very long his …
RedGrittyBrick's user avatar
2 votes

Understanding how ordinals work with the Bitcoin blockchain. What is exactly stored on the b...

So maybe it is something like Doom in javascript Ordinals inscriptions do embed the data in transaction data that occupies space in the Bitcoin blockchain. …
RedGrittyBrick's user avatar
1 vote

Is it possible to create a token on the Bitcoin blockchain?

BRC-20 tokens are created on the Bitcoin blockchain and don't follow Bitcoin rules for halving and mining. You could think of it as a bit like like writing "IOU €50" on a $1 banknote. The US Treasury …
RedGrittyBrick's user avatar
4 votes

Follow-up to Segwit: Arbitrary data storage in witness?

Vojtěch Strnad identified the origin as Ordinals Inscriptions - a kind of NFT. When I asked "will it affect the size of the UTXO set?", I was also interested in the overall effect on Bitcoin ... … I thjink there has been a transition in Ordinals Inscriptions from "art" NFTs, some of which were large, to BRC-20 tokens - which are mostly small - around 50 bytes of JSON. …
RedGrittyBrick's user avatar
4 votes
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How to differentiate between BTC transactions and BRC20 transactions on a blockchain?

You identify BTC transactions that are also BRC-20 transactions in two stages: Does it contain an Ordinals Inscription Does the inscription contain a BRC-20 operation. … Parsing the penultimate witness component (component 2) The Ordinals Inscription documentation says A text inscription containing the string "Hello, world!" …
RedGrittyBrick's user avatar

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