An asset will only gain effective physicality if the underlying blockchain has unbounded scalability, is compatible with IPv6, is universal, uses Proof-of-Work consensus, and is UTXO-based.
Bitcoin entrepreneur and developer Xiaohui Liu has spent some time explaining Bitcoin smart contracts in a two-part video lesson on his YouTube channel.
Signatures act as public keys/addresses that are used to pre-authorize state updates and carry out token transactions.
Imagine if Chase Bank and Citibank required that their ledgers were in sync before committing a new transaction to their database. This is how Ethereum and any other account-based blockchain operate.
UTXO is like cash in that every bill or coin is independent from each other, and if the dollar bill is authentic, the validity of a transfer is absolute and not contingent upon a separate accounting.
As an online merchant, Pat’s Coffee has a strong incentive to accept irreversible, low fee transactions online instead of credit cards. The only current disadvantage is the price volatility, which has moved down since this transaction took place.
BUX is a set of tools with a generic indexing service that devs can use to index their specific types of transactions without writing their service and running a fully verifying blockchain node.
Crypt generalizes the "Script level" delegation to delegate to any script/smart contract instead of a public key. This allows users to authorize arbitrary smart contract to spend one's bitcoin.
In the second part of this two-part piece, sCrypt introduces a universal yet straightforward delegation mechanism, an alternative to the script-level delegation they have developed.
In this two-part piece, sCrypt demonstrates a novel way to allow users to spend their UTXO/coins without giving another party their private key.
ChainBow's wallet is true to the original Bitcoin vision, based on publicly available Bitcoin technology standards, and opens the door to the Web3 world for the masses of users.