Questions tagged [terminology]

Questions concerning terminology, jargon, abbreviations, acronyms and phrases that are essential to the cryptocurrency community.

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6
votes
1answer
14k views

What do `minerd`s feedback messages (LONGPOLL, yay, boo) mean?

I have been testing a script that essentially runs (incomplete command shown here!): minerd --algo scrypt -s 45 --retry-pause 5 --threads $threads --url ... Among the feedback messages, while minerd ...
1
vote
1answer
103 views

Is the word “coin” a proper bitcoin term?

I have noticed that some people speak of "coins". As far as I can tell, by "coin" they mean a transaction output. Is this a correct understanding? Is it helpful to use the word "coin"?
4
votes
1answer
819 views

What is “Midas”?

I've recently noticed the term "midas" creep up in crypto currency related conversations, in phrases like "might implement midas". Can anybody enlighten me on what this is, preferably with links. ...
0
votes
1answer
5k views

In bfgminer, what does Accepted mean?

While mining with a pool, I recently noticed among the numerous "Stratum from pool 0 requested" lines that bfgminer prints, one saying Accepted (hex number) CPU 2 Diff 288/2 Does this mean that ...
0
votes
4answers
4k views

what should I do when CDF is really high?

I noticed today on Bitminter that the CDF is over 99% and the block session has been running for almost 12 hours now. what causes such a high CDF and is there anything that can be done about it?
0
votes
1answer
8k views

guiminer shares 0 accepted 6 stale/invalid,what does the message mean? [duplicate]

I am using guiminer .The pool is deepbit.com. when I start mining, states show shares 0 accepted 6 stale/invalid What does the message mean?
0
votes
1answer
927 views

Why does “???” replace some values in this p2pool output?

2013-07-09 00:46:43.467000 P2Pool: 17468 shares in chain (17472 verified/17472 total) Peers: 9 (3 incoming) 2013-07-09 00:46:43.467000 Local: 0H/s in last 0.0 seconds Local dead on arrival: ??? ...
7
votes
3answers
10k views

What does “ASIC” mean?

I stumbled on the terms "ASIC" and " ASIC Miner", what do they mean? Is this something related to special hardware?
45
votes
5answers
26k views

What is meant by Bitcoin dust?

I've seen the term "dust" used to describe small transactions that might be considered as spam by the Bitcoin network. Is there is a generally accepted definition of this term?
1
vote
1answer
987 views

What does nonce mean?

I'm trying to learn how litecoins work (and learn new programming language at same time by writing a crappy little miner). I'm stuck with getdata. Here http://litecoin.info/wiki/Scrypt it says that ...
1
vote
3answers
3k views

Mining computations by the numbers [duplicate]

On average, how many "computations" (GPU computations, CPU computations, CPU cycles, etc.) does it take to solve a block ("win" a mining race)? What are these computations measured in? Operations? ...
1
vote
3answers
402 views

Mining operations: what's allowed and what's not?

I understand that miner's compete to create blocks that meet certain (very specific) cryptographic criteria. However, I'm still having trouble seeing the "forest through the trees" here, and have a ...
51
votes
4answers
771k views

What is the difference between kH/s, MH/s, and GH/s?

I started mining on a friend's computer and it shows 300 kH/s. But when I research other peoples' hash rates I usually see MH/s. Are these speeds the same as kilobytes and megabytes? Also, when I say ...
1
vote
1answer
546 views

What does it mean that fork is required? [duplicate]

In bitcoin related discussions people often say that something may require a "hard fork". What do they mean? What is a fork?
26
votes
4answers
8k views

What are tainted coins exactly?

I've come across the term of a tainted coin several times now. I understand that coins, or better, the origin of a coin can be traced throughout the blockchain. I've read that bitcoins can be ...
6
votes
1answer
206 views

What is the correct term for bitcoin market cap?

Market capitalization is a term that is usually used to refer to the total value of the shares of a company. Given that bitcoin is not a company, is there a better term than market cap that we should ...
30
votes
4answers
52k views

What are orphaned and stale blocks?

If I understand it right, a stale block is a block for which an earlier confirmation has been found and was accepted by majority of people. This block is considered invalid and is later never used. ...
4
votes
2answers
220 views

Is there a proposed name for 1e-4 bitcoins?

One satoshi is 1e-8 bitcoins. Given that, it appears to me very convenient to have a name for 1e-4 bitcoins, and I'm wondering if someone already proposed or started using a name for that. (the SI ...
30
votes
1answer
9k views

What are colored coins?

What exactly are colored coins? I've tried understanding, but I don't quite get it yet . . . Do any examples exist?
21
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2answers
12k views

What does the term “Longest chain” mean?

What does the term "Longest chain" mean, as there is only one 'right' blockchain exists? How another longer chain would make the 'right' chain invalid?
3
votes
1answer
649 views

What does the poclbm output mean?

I have 3 graphics cards mining with poclbm (no external pool) and they all have pretty much the same output: MYSERVER:MYPORT [141.642 MH/s (~0 MH/s)] [Rej: 0/0 (0.00%)] what does the "~0 MH/s" mean?...
1
vote
1answer
151 views

What are the specific interactions between a Wallet client/node and a Miner?

I'm researching the interactions between a Wallet and a Miner. Although I'm also interested in the high level sequence of operations, I'm also interested in discovering the protocol and verbs used in ...
65
votes
2answers
29k views

What is an SPV client?

I've seen SPV client mentioned in several places. What exactly is a SPV client? How is it different from a standard client?
8
votes
3answers
293 views

What is the preferred way to denote orders of magnitude in BTC?

If I have 36,235.97 BTC, would I shorten that by writing that I have 36.2k BTC or would I write 36.2 kBTC? It seems that latter is proper for SI units, while the former is used more often for money, ...
16
votes
4answers
1k views

Is Bitcoin a currency?

This question seems to be asked every now and then when legal status of Bitcoin is discussed - Is Bitcoin a currency? What are the characteristics that would make it a currency, and what makes it ...
8
votes
2answers
23k views

What does PPS mean/stand for?

On many mining pools/bonds I see things listed as 105% PPS / 110% PPS weekly payout. What does PPS actually mean?
8
votes
2answers
1k views

What does BIP mean?

There is a lot of reference to BIP 16, 17 and the likes. What does BIP actually stand for? I'm unsure if this is a programming reference or a Bitcoin specific reference; either way I'm stumped.
3
votes
1answer
258 views

Bitcoin Dictionary

Is there a website that aggregates all technical and jargon terms used by the Bitcoin community? In other words, is there some compact reference guide that could serve as a "Bitcoin Dictionary"?
9
votes
2answers
3k views

What are Tonal Bitcoins?

What are Tonal Bitcoins? In what application is this system of notation superior to the decimal notation? Are there any clients or other services supporting the tonal system?
4
votes
2answers
10k views

What hashing speed does my hardware have?

I'm checking this page to know what hashing speed my hardware has. But there's no explanation about the acronyms. For my Core 2 Quad Q9650, what's the expected hashing speed?
35
votes
3answers
8k views

What are checkpoints?

I often read that checkpoints protect the network from a 51% attack because an attacker cannot reverse transactions made before the last checkpoint. How exactly does this checkpoint mechanism work? ...
8
votes
1answer
289 views

When and who coined the term “mining”?

When was the term "mining" (the process of hashing, processing the transactions, adding blocks to the blockchain etc.) first used? Was it there right from the beginning of bitcoin? Who was the ...
3
votes
2answers
68 views

Where should one suggest new terminology?

What is the proper place to suggest Bitcoin-related terminology that one believes should be used by the community? For example, when one wants to standardise some terms people use to describe ...
10
votes
4answers
410 views

What is the collective name for Bitcoin, Namecoin, etc?

Is there some standard term to describe all Bitcoin-like internet currencies, like Solidcoin, Namecoin and so forth? Like "currency" is to dollar, euro, yen, etc?
41
votes
2answers
59k views

What is a share? Can I find it while mining solo, or only when pool mining?

In mining, what is "a share"? When mining solo, do I "find shares"?
13
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2answers
1k views

Is “bitcoin” a countable noun?

Should "bitcoin" be used as a countable noun admitting a singular and a plural (so that one says "600 bitcoins are in this wallet") or as a mass noun, (like "water" or "money") (so that one says "How ...
164
votes
5answers
225k views

What are “bitcoin days destroyed”?

The concept of bitcoin days destroyed has been proposed as a measure of bitcoin volume. However, I don't think the bitcoin wiki really explains the idea very well. What is the purpose or advantage of ...
23
votes
4answers
2k views

What is the difference between BitCoin, Bitcoin, and bitcoin?

I've seen several capitalizations of the term "bitcoin". What do all these mean?
49
votes
2answers
37k views

What are bitcoin “confirmations”?

When I receive bitcoins I see a certain number of "confirmations" in the client. What do these mean? Why do most sites make me wait for 6 "confirmations" before a purchase will go through?
151
votes
5answers
242k views

What is a 'Satoshi'?

I am aware that Satoshi Nakamoto is the author of the paper that originated Bitcoin and the creator of the original bitcoin client. However, I often hear the term Satoshi as if it was a monetary unit. ...