Serialization

Block Header

Field	Type	Length	Present
nVersion	signed int	4 bytes	Always
hashPrevBlock	uint256	32 bytes	Always
hashMerkleRoot	uint256	32 bytes	Always
nTime	unsigned int	4 bytes	Always
nBits	unsigned int	4 bytes	Always
nNonce	unsigned int	4 bytes	Always

Field	Type	Length	Present
blockHeader	Block Header	70 bytes	Always
vTx	Transaction vector	Variable	Always

Field	Type	Length	Present
V	G1Element vector	Variable	Always
L	G1Element vector	Variable	Always
R	G1Element vector	Variable	Always
A	G1Element		Always
S	G1Element		Always
T1	G1Element		Always
T2	G1Element		Always
taux	Scalar		Always
mu	Scalar		Always
a	Scalar		Always
b	Scalar		Always
t	Scalar		Always

Field	Type	Length	Present
nVersion	signed int	4 bytes	Always
vin	Transaction Input vector	Variable	Always
flags	unsigned char	1 byte	If vin.size() == 0
vin	Transaction Input vector	Variable	If vin.size() == 0
vout	Transaction Output vector	Variable	Always
wit	TxWitness vector	Same as vin	If flags&1
nLockTime	unsigned int	4 bytes	Always
vchTxSig	G2Element		If nVersion & 0x20

Field	Type	Length	Present
prevout	OutPoint	36 bytes	Always
scriptSig	unsigned char vector	Variable	Always
nSequence	unsigned int	4 bytes	Always

Field	Type	Length	Present
nValue	signed int	8 bytes	Always
nFlags	unsigned int	8 bytes	If nValue == INT64_MAX
scriptPubKey	unsigned char vector	Variable	Always
rangeProof	Bulletproof Range Proof		If nFlags & 0x01
spendingKey	G1Element	48 bytes	If nFlags & 0x01
blindingKey	G1Element	48 bytes	If nFlags & 0x01
ephemeralKey	G1Element	48 bytes	If nFlags & 0x01
viewTag	unsigned int	2 bytes	If nFlags & 0x01
tokenId	TokenId		If nFlags & 0x02

Field	Type	Length	Present
data	Scalar	32	Always

Field	Type	Length	Present
data	G1Element	48	Always

Field	Type	Length	Present
data	G2Element	96	Always

Field	Type	Length	Present
tokenId	uint256	32	Always
nftId	unsigned int	8	Always

Field	Type	Length	Present
hash	uint256	32	Always
n	unsigned int	4	Always

Field	Type	Length	Present
stack	vector of unsigned char vectors	Variable	Always