Ideal Properties of Digital Commodities

Inspired by the thread: http://bitcointalk.org/index.php?topic=2966.0

Ideal Properties of Decentralized Digital Commodity

If we had the ability to design and implement an ideal form of digital commodity money, what would it look like? How does Bitcoin currently compare?

it might seem like some of these things are mutually exclusive, but time and time again humans have made the "impossible" possible, so feel free to think hypothetically here.

PropertyIdeal ImplementationBitcoin's Current Rating (A..F)Notes
Decentralizedno single point of failure or issuing authorityA.
Scarcerequired to be a reasonable store of valueA.
Divisibleshould be as close to infinitely divisible as possibleB.2,100,000,000,000,000 individual units (2.1 Quadrillion); if necessary this could be increased with the agreement of miners and clients.
Storageactual commodity should be cheap and easy to physically store securelyA.
Irreversible Transactionstransactions should be irreversibleB.irreversible after an hour, often not acceptable wait time. Mostly irreversible even before then, especially with the right precautions.
Anonymousuntraceable transactions (if desired)C.currently requires some trusted third party to obsfucate transactions
Unspoofableshould be exceedingly difficult to counterfeitA.
Verifiable Funds**publicly auditable balances, with account holder's permission, to verify funds before making a transaction or make sure that a third party has not moved your fundsC.since permission is not required
Gratis Transactionstransactions should be gratis, or nearly so, foreverDbitcoin future tx fees are certain, but could remain low
Unique Use-Value?ideally a commodity should have a unique non-monetary use-valueDBTC is the only currency that can be used to pay for storing data in the block chain, which is useful for secure timestamping. Competing block chains would probably not have the required incentives for generating that Bitcoin does.
Offline Transactionsideally two participants should be able to safely transact without requiring internet access or trust of one another (like normal cash)CBitcoin can be used in off-line transactions using physical representations, like Casascius physical bitcoins and Bitbills, that give parties an assurance, through producing tamper evidence upon redemption, that the bitcoins they represent have not been spent. With computers but no internet access, transactions can be constructed for publication when either party gets online.
Speedideally transactions would be instantaneousBFor large values, bitcoin is fast enough only for shipments; anything faster than an hour on average requires compromising security. For small transactions, bitcoin can be practically considered instantaneous since the security risks from an unconfirmed transaction are low
Scalabilityusable for every transaction everywhere in the worldAThe existence of lightwieight and offline transactions (e.g. Casascius Coins and Bitbills) can replace the need for conventional cash
Stabilityvalue in the future is predictable, within reasonable boundsDBitcoin value is highly volatile, with no mechanisms to encourage stability or avoid bubbles. Supply is pre-determined, which eliminates some uncertainty from future value.

\**May not be a necessary property. Thinking it would be cool if a known address could be audited via a tool like blockexplorer.com but if the coins are moved from that address, they are untraceable.

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