The experiment took place in an acoustically damped and sound proof recording studio with the light switched off.
The CD-pressing machines were digitally controlled, and they generated error-proof records of their output.
The technology, which underlies bitcoin, holds tamper-proof records across a network of computers.
The availability of a tamper-proof record often sorts out disputes before they escalate, expensively, into lawsuits.
He added: "With Blockchain technology, you could create a truly tamper-proof record system.
It will even allow CPEM and the government of Uganda to make grants of free power available to the poorest, while keeping a completely auditable and tamper-proof record of these grants.
The branch is using the money to create a new building, with a strong focus on children and teen programs, including a sound-proof recording studio.
Second, the behavioral proof only records the information of transmission packets rather than the nodes.
On Tuesday, he maintained that there was no reason for concern, citing as proof his record of endurance -- he has averaged 154 games per season over the past five years.
Vinyl sales hit £2.4m last week compared with the £2.1m made from digital music purchases, further proof that record shopping has gone mainstream.
