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Questions tagged [coinbase-transaction]

A special type of transaction included in each block, which contains a small amount of monero sent to the miner as a reward for their mining work.

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1answer
58 views

How to use the --extra-messages-file option?

monerod has an option to include an extra message in a coinbase transaction with --extra-messages-file. What format should the text in the file be? Hex, Decimal, or some other format? Once the ...
2
votes
1answer
103 views

How are coinbase transactions masked so that they fit the ringCT protocol?

So for example say i have a mined transaction and the coinbase output address was; 9672929a20c97a29d8c8b4372cea6898b7d5442c197089d80f17e80a04984cb4 with an output of 3.6 XMR. Now i want to send from ...
2
votes
1answer
92 views

Multiple outputs & expected reward from coinbase transaction

I set up a private testnet to play around with and I am currently mining empty blocks. I was surprised to see that the coinbase transaction created by the getblocktemplate RPC had 5 outputs instead of ...
1
vote
1answer
85 views

Obtaining coinbase transaction signature

Below is a blocktemplate_blob obtained from calling the getblocktemplate RPC, with reserve size 17. ...
2
votes
1answer
389 views

What determines who gets the block reward

I am trying to understand the monero code and was unsure how the code decides which address to the block reward to and how it is done. I have been able to follow the proccess up until we decide how ...
2
votes
1answer
154 views

Do coinbase transactions use stealth addresses?

When miners are awarded a block reward my understanding is that it occurs using a "Coinbase transaction" do Coinbase transactions send Monero to the Miners public address directly or do they use ...
3
votes
1answer
138 views

Why some coinbase transactions have very long extra field, and some short?

Wondering what is the difference between coinbase transactions. For example, this coinbase transaction has short extra field: https://moneroexplorer.com/tx/...
2
votes
1answer
338 views

COMMAND_TIMED_SYNC invoke failed - Not Syncing, how to fix it?

I get the following errors in 0.10.3.1: 2017-03-26 18:38:04.710 [P2P3] ERROR net.p2p src/p2p/net_node.inl:1504 [217.197.200.211:40472 INC] COMMAND_REQUEST_SUPPORT_FLAGS invoke failed. (-6, ...
4
votes
2answers
276 views

How are outPk, mask and amount fields created when spending RignCT coinbase transactions?

RingCT coinbase transactions don't have ecdhInfo fields with mask, outPk and amount. For example, this is how ringct coinbase transactions looks like (look at JSON representation): https://explorer....
5
votes
3answers
1k views

Is there a way to tell how many coins are currently generated?

Is there a way to show how many coins have been generated so far taking in to account the transaction fee's paid by senders? For example if 1000 coins were generated ( issued ), and 10 transactions ...
4
votes
1answer
257 views

Why are coinbase transactions locked for 60 blocks?

"Normal" transactions are locked for 10 blocks to prevent invalid outputs from being used in ring signatures. Why are coinbase transactions (mined coins) locked longer? Are there additional risks ...
3
votes
2answers
145 views

Is it possible to add coins to a wallet that were never mined?

Since Monero's transactions are basically anonymous, is it possible to create coins that were never mined, so they don't originate in any coinbase? I understand that it's possible to add up all the ...
3
votes
1answer
132 views

Why does mining generate new coins on a fresh testnet?

So far I thought that mining is the process, when the network verifies transactions. When a transaction is verified, it gets added to the blockhain. In other words, a new block has been found. Then ...
14
votes
4answers
2k views

How can I verify the Monero coin supply without using a block explorer?

Is there a command I can give the Monero daemon to calculate the total of all coinbase transactions so far? How do block explorers calculate the Monero coin supply and how can I verify their accuracy?...
24
votes
3answers
4k views

What is the purpose of the tail emission?

What is the purpose of the tail emission? How does it relate to dynamic block sizes and miners penalties?