Difference between method id, event id and ABI signature for event

I am confused as to what is the difference between method id, event id and abi signature. I got the abi signature of a token transfer function according to the following web3j function const signature = web3.eth.abi.encodeEventSignature(“Transfer(address indexed _from, address indexed _to, uint256 indexed _tokenId)”); console.log(signature) If I want the method id of the token…

bitcoind multisig transaction not shown as multisig transaction / shown as “signed” by 2:3

Seems like there was a change in how multisig transactions are being created. Running a node using bitcoind v0.16.3 and another one using latest bitcoind (v.0.19.0.1). The multisig transaction created on the old node can be decoded by coinb.in correctly (it’s displayed as a multisig 2:3 transaction). Using the newest bitcoind to create transaction coinb.in…

How effective is Scrybe if miners have to verify new blocks through servers before adding them?

I’m new to blockchain technology. Recently I’ve been reading about Scrybe here in this and some other research papers. Have a look at this (quoted from 12th paragraph from the above link): Miners transmit the new blocks to a set of servers that verify the correctness of the block before adding it to their local…

Bitcoin UTXO anatomy

I’ve been using a command line tool to fetch spendables from a Bitcoin address. Given an address the following command (source) ouptuts UTXOs the address can spend. tx -i 1A3cbxFC4zrfgxEb6GhAe97m2rSEyvUetp > 4db2ddb59e0cd123d8d0715da9dddbe6b2697c5a1d83163cc049dcc152d1f7ed/0/76a9146337aefd82e6c1f83ab505b78c3bcc413b49364088ac/1061/0/0/0 The format is address/utxo index/script hash/… However I do not know what the last 4 elements mean, I’m guessing amount, but don’t know…