"Our challenge now is the extra millions" – A Finnish bitcoin broker is riding the crypto wave

The company offers a wide range of bitcoin services, including Coinmotion, a European bitcoin investment and trading platform; Bittiraha.fi, Finland's most popular bitcoin portal; and Denarium, a leading physical bitcoin online store. Prasos also advices companies in different applications of blockchain …
Google Alert – bitcoin

Best of: In 2015, Redditor puts a $10 bitcoin paperwallet into his home’s wall, leaving it for someone in the future to find. “Hopefully they’ll be worth something”. Redditors chip-in an extra $40 into the wallet – today the wallet now contains $895 of Bitcoin. The USD is now worth $9.68.

Best of: In 2015, Redditor puts a $  10 bitcoin paperwallet into his home's wall, leaving it for someone in the future to find. "Hopefully they'll be worth something". Redditors chip-in an extra $  40 into the wallet - today the wallet now contains $  895 of Bitcoin. The USD is now worth $  9.68. submitted by /u/GabeNewell_
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Bitcoin

As the number of Public keys available in BlockChain increases, does it cause extra risk for private key’s security?

  1. Any bitcoin address eventually use its public key when spending its BTC. And as we all know, bitcoin address is produced from a public key by utilizing one way function. What is advantage of using bitcoin address ?
  2. Does it make any address anonymous till spending BTCs ?
  3. While the block-chain size increases over the time, there are lots of public keys available, and some fraudulent person maybe try to estimate private key by enabling brute-force method. Does it make any disadvantage or cause extra risks the whole system ?

Recent Questions – Bitcoin Stack Exchange

How much extra disk space does txindex=1 require?

For example for a 1 MB block, does the extra Tx index database take up another 100 kB on average?

And a follow-up: once my node has completed -reindex after setting txindex=1 can I COPY the blockchain AND the TX index database together to other nodes? I know the blockchain can be copied but I’m not sure if the new node needs to reindex the blockchain itself or if the index database copies over as well.

Recent Questions – Bitcoin Stack Exchange