Did anybody predict a bitcoin type system before it was technologically possible?
Well, Zooko (creates Tahoe-LAFS) wrote:
Decentralized Money
Zooko, 26 January 2009 (created 26 January 2009)
tags:
politics and economics
tahoe-lafs
privacy and openness
cryptography
computer security and reliability
I've been spending a little bit of time thinking about how gaming services like World of Warcraft and (don't-call-it-a-gaming-service) Second Life have succeeded where we at DigiCash failed — convenient, widely-used, programmable digital cash. A problem is that each of these new currencies are centrally controlled by one entity. This limits the scope of who will rely on that currency and how much value they will risk on that currency. There are ideas floating around about how to facilitate transactions between currencies, but this would not solve the problem. A plethora of competing centralized services is not the same as a decentralized service. Even if it were cheap and convenient to trade some LindenBucks for some WoW Gold, this would only lead us back to the equivalent of the modern nation-state currencies: mostly centralized (because of the Network Externality), heavily taxed/regulated/manipulated, and prone to disastrous failure. What I want is a currency which everyone can cheaply and conveniently use but which no-one has the power to manipulate. No-one has the power to inflate or deflate the currency supply, no-one has the power to monitor, tax, or prevent transactions. Truly the digital equivalent of gold, during the times and places when gold was the universal currency. See the BitGold idea by Nick Szabo and b-money idea by Wei Dai, and recent effort to actually implement something along these lines: BitCoin by Satoshi Nakamoto.
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http://x.co/XbWmThen Nick Szabo's recent article where he discusses BitGold and Bitcoin:
only a few people had read of the bit gold ideas, which although I came up with them in 1998 (at the same time and on the same private mailing list where Dai was coming up with b-money -- it's a long story) were mostly not described in public until 2005, although various pieces of it I described earlier, for example the crucial Byzantine-replicated chain-of-signed-transactions part of it which I generalized into what I call secure property titles.
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http://unenumerated.blogspot.com/2011/05/bitcoin-what-took-ye-so-long.html