Are Bitcoin Block Hashes Predictable?

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Are Bitcoin Block Hashes Predictable

to create the block chain, the Bitcoin network runs hashing algorithms for each block, is it mathematically possible to predict the hash value of say, the 100th block from the last block currently in the chain?

Answer:

No, not at all. The hash of every block depends on the previous block. And it also depends on all the...

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254code_rep at Bitcoin Mark as irrelevant Undo

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Does every bitcoin node store all the transactions that ever took place?

Bitcoin transaction block is a set of transactions. Is there just one master block that all the nodes use and has all the transactions that ever took place? Does the block store the actual transactions that took place or is it just the hash? Roughly...

Answer:

Its not a bloch but a blockchain The blockchain is stored on every full node and it is currently 8GB...

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Roland Kofler at Quora Mark as irrelevant Undo

Is the father of Bitcoin really the Shinichi Mochizuki who claimed to solve abc conjecture which has definite relationship with cryptography the Bitcoin block hashing algorithm are based on?

Bitcoin inventor Satoshi Nakamoto's real identity may have been opened up. It's the great mathematician, research professor of Kyoto University named Shinichi Mochizuki. Every three years or so , he throws to this world some of his works that baffle...

Answer:

Some people, like Ted Nelson, think so (warning: long rambling video): I'm not so convinced. Bitcoin...

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Anonymous at Quora Mark as irrelevant Undo

Where can I buy bitcoin mining hardware such as the ASICminer USB Block Erupter?

Im interesting in making a little money on the side generating some bitcoin. Where is a good place to buy bitcoin mining hardware without getting scammed? Im particularly interested ...show more

Answer:

BITCOIN USB Asic Miner Red Fury 2.4~2.7 GH/s Razorfish Razorfish Solutions manufacturers USB Asic Miner...

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DLOJQRGZHLDJ2N6RLOL4AV63DI at Yahoo! Answers Mark as irrelevant Undo

How do I find out the difficulty of the block I am mining on? (Bitcoin mining)?

I am fairly new to bitcoin mining. If I am able to find out the difficulty of the block I am mining on currently it would help me find out how profitable this will likely be and if an ...show more

Answer:

According to bitcoinwisdom the current BTC difficulty is 6,119,726,089. If you are currently mining...

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QMOW2WYXAKP7ZFOLYG5UMEVFVU at Yahoo! Answers Mark as irrelevant Undo

What should I study to interact with the Bitcoin block chain?

I know basic programming in Java, basic algorithms... I'm not exactly sure what I want to work on, I just know that it's in the bitcoin space. What language should I learn? What topic should I study? Obvious ones are Cryptography, Networking... What...

Answer:

Maths. You approach everything you learn from a better vantage point when you expand your understanding...

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John Shinaberry at Quora Mark as irrelevant Undo

What are the major differences between block chain based digital currencies like Bitcoin and issuer server based Ricardo?

Here's a url to the Ricardo wiki Ricardo - Digital Currency Wiki I'm curious if the emergence of Bitcoin and similar type crypto currencies automatically trumps issuer based models like Ricardo. Is there room for both to coexist and complement each other...

Answer:

From what I can gather, this system works on a three-party trusted system, similar to an escrow system...

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Joseph Hsieh at Quora Mark as irrelevant Undo

Bitcoin: How can I leave a message in the block chain?

A transaction has to be made to be included in the block chain, but how can I leave a message (encrypted or not) in order to certify I have certain information at a specific time. And how can I access to that message later? A service that lets you do...

Answer:

There is nothing in the blockchain that let's you directly add a message to it. The service you linked...

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Paul Unterberg at Quora Mark as irrelevant Undo

Is there an incentive in Bitcoin mining to take fewer transactions into a block?

Related: is there a guarantee that every valid transaction ultimately makes it into a block?

Answer:

1. A possible incentive would be if this simplifies the design of the mining hardware. I don't believe...

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Ron Gross at Quora Mark as irrelevant Undo

What is the incentive for Bitcoin miners to add transactions without fees to a block?

Even with transaction fees, they are typically a pittance compared to the coinbase reward. Why spend valuable time verifying and hashing transactions when you could be hashing an empty block towards trying to collect on the 25 BTC reward?

Answer:

There actually is one incentive to include transactions without a transaction fee.  It may not be possible...

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Matt Dotson at Quora Mark as irrelevant Undo

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