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8
votes
1answer
48 views

Spending XTZ held in an implicit account from a smart contract

Is it possible for code in a KT1 smart contract to spend from a tz1 adress ?
10
votes
2answers
76 views

Limitations of the self-amending ledger?

What are the technical limitations of the self-amending ledger? Eg. what can't be amended via protocol updates with the on-chain governance mechanism?
5
votes
1answer
226 views

What are the best cold-storage methods available for XTZ?

Is using the CLI command gen keys new to generate a cryptographically secure key-pair the most secure method for cold storage eg. paper wallet? Which signature algorithm (ed25519, secp256k1, p256) ...
3
votes
2answers
56 views

Understanding Abstentions/Pass Vote

I can read from the docs: "The pass vote allows a delegate to not influence a vote but still allowing it to reach quorum." If we get the following result, in a Voting Period (Quorum = 80%): 60% ...
6
votes
2answers
103 views

Michelson Logic understanding problem

If i got it right, Michelson is a stack based language. I've read the following example about stack based languages: 3 4 5 * + = 23 how does Michelson know, that it has to mutiplicate 4 * 5 ...
2
votes
2answers
149 views

Baking best practice resources? [closed]

Could someone offer some good resources regarding best practices when setting up a baking operation in Tezos ?
4
votes
1answer
51 views

Zero endorsement blocks

It has happened in the past that certain blocks get 0 endorsement. Like this one for instance https://tzscan.io/103652?default=endorsement What conditions lead to such 0 endorsement blocks ?
4
votes
1answer
256 views

Largest block size in tezos?

Is there a limit on the block size in tezos? If so, is it expressed in a maximum number of transactions? Or maximum byte size? Or something else?
7
votes
2answers
544 views

Fees in proto 003?

Fees have been updated from proto 002 to proto 003. Is there a reference document available somewhere that is indicating fee information for tezos proto 003 ?
5
votes
1answer
216 views

Transactions index in tezos

Currently the full node can offer details of transactions sitting in a queried block but it is not possible for it to provide infos on a particular transaction from its hash because the native tezos ...
6
votes
2answers
146 views

Max lifetime of transactions in mempool?

If a transaction sits a long time in the tezos mempool for a reason or another does it get eventually cleaned-up or will it stay there forever ?
11
votes
2answers
191 views

Reentrancy attack vector on tezos smart contracts?

I heard that Michelson helps with avoiding re-entrancy bug. Why is that? Is there some feature in the language that prevent it?
5
votes
1answer
140 views

Pruning empty accounts or inactive contracts?

Is it possible (or desirable feature if not) to be able to remove from the chain state old accounts or old contracts on certain conditions in tezos ?
15
votes
1answer
229 views

How to create a database out of the Tezos node?

We want to build a Website that contains Live-Data from the Tezos-Node. We have a node running, we have the RPCs, we have a mysql database and we want to use Postgres to query the database and "feed" ...
19
votes
3answers
664 views

How to calculate gas and storage for an operation?

In protocol 003_PsddFKi3, how can the gas and storage usage be calculated without doing a dry-run in a node?
14
votes
2answers
359 views

Formal verification of Tezos smart contracts

What are the analyses of Tezos smart contracts that could benefit dapps writers the most? Just to be clear, by “analysis” here I mean “static program analysis”. See for instance here. Basically the ...
6
votes
2answers
196 views

What determines the length of a cycle in Tezos?

What are the consideration at play to choose the length of a cycle ? As any other economic parameter in Tezos it is subject to amendment however it would be great to collect here the things to think ...
7
votes
2answers
1k views

Inflation rate and economic incentives

Could someone describe the economic incentives at play when choosing the inflation rate for the tezos chain? For example currently the inflation is max 80 xtz per block which is a constant (assuming ...
8
votes
1answer
133 views

How do baking node choose the transactions from the mempool

Could someone describe how the full node chooses transactions from the mempool that make it into a block. I suppose there must be some logic that makes a compromise between fees and gas cost but it ...
7
votes
1answer
80 views

Mempool management

What are the considerations that came into play when choosing the design of the Tezos mempool management ? Arthur has made a number of remarks on that topic in some video dev updates but I would ...
7
votes
2answers
144 views

Roll size and node performance

Could someone explain in detail how the size of the roll (currently 10k xtz and one amendment proposal offers to reduce this to 8k xtz) impacts the node performance ? This would be a great way to ...
14
votes
2answers
209 views

Garbage Collection

I hear there are plans for garbage collection for the Tezos blockchain. What does this mean exactly? What are these "garbage" that needs to be collected, why are they there in the first place? Is ...
14
votes
3answers
681 views

How to make an offline transaction?

How do I create an offline transaction on an air-gapped device and broadcast it to the network?
9
votes
2answers
484 views

Is there an official roadmap for the Tezos development?

I know that Tezos is a decentralized blockchain project and that everybody who wants to contribute can do so by pushing their code to the GitLab repo. But there is at least one large development team ...
6
votes
1answer
44 views

How to group rewards from delegation services on multiple KT1 accounts per cycle?

I have a tz1 address and created multiple KT1 addresses to be able to delegate my XTZ to multiple delegation services. I can query the tzscan.io API to automatically get the rewards I receive via /...
8
votes
2answers
525 views

setting up a solo baker with 10k XTZ

Is it worth setting up a solo baker if one only has 10k XTZ or is it better to delegate to a larger baker?
12
votes
3answers
422 views

How can I sign a message with my Ledger?

I'd like to know if there's a way to sign a message? Any help would be appreciated. Thanks!
2
votes
1answer
78 views

Hard fork vs onchain-governance for Tezos [closed]

What are the main pros and cons of implementing protocol changes on Tezos via hard-forking vs onchain-governance?
7
votes
2answers
59 views

How does the accuser determine which account identified a double baking

Both the endorser and the baker require you to pass in the account that is baking/endorsing, however the accuser doesn't take any such parameters at startup so I'm wondering how it determines who is ...
11
votes
2answers
321 views

How do I query the Balance of a KT1 account Cycle by Cycle?

Is there a RPC in Tezos-client, that allows to query the Balance of a KT1 account cycle by cycle? I've tried it with this (TzScan Public-Node RPC): https://mainnet-node.tzscan.io/<block_id>/...
6
votes
3answers
100 views

How do I begin developing on the Tezos network?

Is there a Tezos SDK or something similar? What resources should I look to first?
14
votes
1answer
2k views

Difference between tz1 and KT1 addresses

What are the differences between tz1 and KT1 addresses? How are they typically used? How does one go about creating one?
6
votes
1answer
75 views

Baking eligibility and start time

I just registered as a new baker with a couple rolls. I can see the successful operation being made. How can I tell that I registered my baker correctly? When will I be able to tell when I am eligible ...
7
votes
1answer
80 views

Parameter passed when calling CONTRACT in michelson

When I call the CONTRACT opcode in Michelson, say I have a command like: CONTRACT int; Does the contract I'm calling this on have to have int as a param or could it be something like: parameter Or(...
10
votes
2answers
427 views

How to batch transactions?

How do I send a single operation that contains multiple transactions in order to do batch payments?
8
votes
2answers
295 views

What is the penalty for double baking?

If my baker accidentally double bakes how much will I be penalized and when can I safely begin baking again?
8
votes
2answers
277 views

What are the differences between mainnet, alphanet, and zeronet?

In particular how does alphanet differ from zeronet as a test network?
8
votes
2answers
341 views

security with solo baker setup

I've seen a lot of people mention tezos setups for baking. The general idea would be to run a handful of FE nodes, likely geographically dispersed, and then having a private node which connects to ...
9
votes
1answer
459 views

UTXO vs account model

What are the drivers behind the decision to adopt an account model (as opposed to an utxo one) to describe transactions in Tezos ?
10
votes
3answers
163 views

Tezos Improvement Proposals

Is there a website tracking "Tezos Improvement Proposals" similar to what exist in some other open sourced projects ? I am aware of conversation channels to discuss actual amendment proposals on ...
7
votes
2answers
88 views

How does Tezos voting process work in practice?

The upcoming voting process to amend the Tezos protocol is an exciting opportunity to see on-chain governance in action! For the benefit of all and reference, it would be great to lay down here ...
7
votes
2answers
2k views

What are my remedies if I forgot the password I created during the fundraiser?

I lost the password that I created during the fundraiser. What are the options I have for recovering it?
5
votes
2answers
3k views

What are the steps to claim my XTZ account?

Could someone please provide clear step-by-step instructions on how users can claim their XTZ from the fundraiser ? This would be a good reference article for many.
-3
votes
1answer
61 views

How do I confirm my Tezos wallet is up to date; most current version etc.? [closed]

Step by step instructions for each commonly-used XTZ wallet, to confirm you're using the latest version with the most current to include: -- how to check to determine the installed version. -- link ...
9
votes
2answers
103 views

Can I use multiple ledgers for baking?

I'm researching setting up a highly available baking infrastructure. Is it possible to use multiple ledgers signing for the same address? My plan is to use a ledger connected to a laptop running a ...
6
votes
1answer
167 views

How to activate Private Mode for Tezos node

Tezos has an optional feature called Private Mode which restricts connections to a list of nodes upon startup. How can I activate this function?
15
votes
2answers
562 views

How do I upgrade a Tezos node?

I used to run a full node, but then it somehow got tangled up and is now no longer downloading new blocks. I suspect that it has something to do with me not keeping it updated. Could someone tell me ...
8
votes
1answer
98 views

Error: Protocol not supported when trying to connect eztz-cli to tezos node

I was trying to connect eztz-cli to my locally running containerized (via docker) tezos node. These are the steps I followed: Start the node with rpc enabled by running ./alphanet.sh start --rpc-port ...
14
votes
1answer
276 views

Decent bakery architecture? [closed]

Currently setting up a bakery and have the following architecture in mind. Four public nodes running on four different datacenters on two different clouds Two nodes running in private mode connected ...
5
votes
1answer
109 views

Does building a node require syncing the block and context data from scratch?

When building a node, do I have to sync its block data from scratch or can a load some kind of snapshot and finish syncing from there?

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