Substrate and Polkadot Beta
Sacha Lansky's user avatar
Sacha Lansky's user avatar
Sacha Lansky's user avatar
Sacha Lansky
  • Member for 1 year, 7 months
  • Last seen this week
  • Berlin, Germany
Profile Activity

22 Questions

Score Activity Newest Views
3 votes
2 answers
28 views

Is there an example of a Proof of Work Substrate chain?

2 votes
1 answer
43 views

What's the difference between `transaction_version` and `EXTRINSIC_FORMAT_VERSION`?

3 votes
0 answers
46 views

What is transaction indexing in externalities useful for?

5 votes
2 answers
195 views

What happens when I call `System::remark`?

3 votes
2 answers
234 views

How can I use BABE's randomness in my parachain?

1 vote
3 answers
67 views

What data does the Polkadot relay chain really need to store for parachain block validation?

0 votes
1 answer
38 views

What incentives exist for a full node to provide block headers to a light client?

2 votes
1 answer
56 views

How does the `TaggedTransactionQueue` runtime API know what parts of the encoded call to check?

2 votes
1 answer
130 views

How might we introduce a new host function into the Polkadot ecosystem?

5 votes
1 answer
265 views

What is unique about Substrate's transaction pool?

11 votes
2 answers
349 views

Why does Substrate have a Wasm runtime?

6 votes
1 answer
121 views

How can I make my runtime as light client friendly as possible?

13 votes
2 answers
113 views

What are some good use cases for anonymous proxies?

5 votes
2 answers
492 views

How can I run an interBTC vault?

6 votes
1 answer
129 views

What's the logic behind Polkadot's choice in pallet indexing?

4 votes
1 answer
128 views

How can I configure genesis state for my pallet's tests without hardcoding it?

10 votes
2 answers
197 views

How can I build a price feed oracle for my Substrate chain? [closed]

7 votes
2 answers
117 views

What sort of skills do I need to become a Substrate runtime engineer?

6 votes
2 answers
256 views

How do treasury accounts compare to end user accounts in FRAME?

4 votes
2 answers
95 views

When should I use `ConstU32` to declare a constant value for my pallet?

5 votes
1 answer
82 views

What test should I run before performing a runtime upgrade?

15 votes
3 answers
528 views

Why do I need to use SCALE codec?

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