Jul 13, 2026
Bitcoin Covenants Part 4: OP_CHECKSIGFROMSTACK and OP_CAT
OP_CSFS authenticates signatures over arbitrary data. OP_CAT concatenates stack values into a single message. Together, they let B...
Jul 07, 2026
How Onchain Capital Can Reach Europe’s Underserved SMEs
Novel models for RWA tokenization could allow SMEs to receive credit using tangible assets as collateral. A new Cointelegraph Rese...
Jul 07, 2026
Bitcoin Covenants Part 3: SIGHASH_ANYPREVOUT
APO lets a Bitcoin signature authorize any compatible UTXO rather than one fixed outpoint. It allows for rebindable pre-signed tra...