Because the good end cannot be guaranteed, the dubious means must be avoided. Nevertheless,
bitcoin accepted
bitcoin bitcoin

Has Paul Beardsell given you a paper bitcoin wallet? If so then you may wish to read the exercise notes and find out more.

1 bitcoin = 1 XBT = 1 BTC
1 millibitcoin = 1 mBTC
1 microbitcoin = 1 µBTC = 1 bit

1x10-8 BTC = 0.00001 mBTC = 0.01 µBTC = 1 satoshi
0.000001 BTC = 0.001 mBTC = 1 µBTC = 100 satoshi
0.001 BTC = 1 mBTC = 1000 µBTC = 100,000 satoshi
1 BTC = 1000 mBTC = 1,000,000 µBTC = 100,000,000 satoshi

BTC 1 = £21959
mBTC 1 = £21.959
µBTC 1 = 2.1959p
satoshi 1 = £0.00021959
satoshi 1000 = 21.959p
      £1 = BTC 4.5539E-5
£1 = mBTC 0.045539
£1 = µBTC 45.539
£1 = satoshi 4553.9
1p = satoshi 45.539

Useful links