CER The feed type representing Current Exchange Rate feeds.
This includes feeds such as ADA-USD and FACT-ADA.
Naming convention
For a feed of CER type, the naming convention is
{{base-currency}}-{{quote-currency}}
and ordering
follows forex convention (see base-quote).
Fiat currency names follow ISO 4217.
Currency names are stripped of /
and any non-standard
characters.
For crypto base currencies, ordering defers to how the
pairs appear on CEXs.
For cardano native tokens, ordering defers to how pairs
appear on DEXs.
Examples
- crypto-fiat:
ADA-USD
- crypto-stable:
ADA-iUSD
- crypto and another native asset:
FACT-ADA
Beyond this, there is not yet precedence.
Additional conventions regarding ordering will be fleshed
out as the need arises.
#forex http://glossary.orcfax.io/#feed
CEX Custodial platforms which grant users the ability to buy,
sell, and swap assets.
As private companies, CEXs manage all transactions, set
exchange rules and fees, and are subject to the laws and
regulations of every jurisdiction within which they
operate.
#DEX centralized exchange http://glossary.orcfax.io/#forex
Ref
consensus A state which can be understood differently depending on
context:
When a task performed by an actor is verified as having
being performed, according set principles, by multiple
other actors.
When the properties of an output can be verified as
accurate by n- actors.
When the result of an output has been independently
observed by n- independent actors.
domain The targeted subject area for a software-intensive
system. It is the sphere of knowledge and activity around
which the software's processes, rules, and data revolves.
feed name The identifier of a feed within a feed type which is
selected to globally unique.
Together with the feed type, the feed name determines the
feed ID. A short uppercase list of ASCII characters is
preferred, for example ADA-USD
.
Each feed type will have its own naming convention.
#feedId
feed type Each feed has exactly one feed type, which are used to
group feeds into semantically similar sets.
Two feeds of the same type will share statement body
datatypes, and have the same visualisations etc.
For example, the feed type CER
(Currency Exchange Rate feeds) includes the feeds ADA-USD
and FACT-ADA.
Each feed type has short, uppercased, label (eg CER
).
This appears as the first part of the feed ID.
UTXO Short for unspent transaction output, it is a fundamental
entity in UTXO accounting blockchains such as Cardano. In
such blockchains, a transaction specifies which UTXOs are
input (ie spent) and defines new output UTXOs.
To be a legitimate transaction all input UTXOs must have
not been spent by another transaction.
Apart from the genesis UTXO, all UTXOs are the output of
previous transactions.