Lenght POS block = 0

Считываем хеш 100 блока (POW)
$ Trittiumd getblockhash 100
0000001ce1545895454905c6a2e38c0b5f822b9879831f2ed7b7f6b5de505d1a

Читаем блок
$ Trittiumd getblock 0000001ce1545895454905c6a2e38c0b5f822b9879831f2ed7b7f6b5de505d1a
{
    "hash" : "0000001ce1545895454905c6a2e38c0b5f822b9879831f2ed7b7f6b5de505d1a",
    "confirmations" : 2070,
    "size" : 203,
    "height" : 100,
    "version" : 4,
    "merkleroot" : "4e3326f6dca1a561831bf2beda17598b3e777511adb93356e7a62c631fb71dc5",
    "mint" : 200.00000000,
    "moneysupply" : 1269800.00000000,
    "time" : 1524033168,
    "nonce" : 4193589008,
    "bits" : "1d538e49",
    "difficulty" : 0.01196787,
    "blocktrust" : "310568e",
    "chaintrust" : "bcb9b470",
    "previousblockhash" : "0000000f51403eb0ed77e336cd9aad4d6557920064d943b45aa37a831c10b67c",
    "nextblockhash" : "000000024eb6ccd5f1b8d5849e6ae1c2845664769d1d93a8c9bc5450002d1616",
    "flags" : "proof-of-work stake-modifier",
    "proofhash" : "0000001ce1545895454905c6a2e38c0b5f822b9879831f2ed7b7f6b5de505d1a",
    "entropybit" : 0,
    "modifier" : "cc5112b1208c6225",
    "tx" : [
        "4e3326f6dca1a561831bf2beda17598b3e777511adb93356e7a62c631fb71dc5"
    ]
}

Читаем транзакцию
$ Trittiumd getrawtransaction 4e3326f6dca1a561831bf2beda17598b3e777511adb93356e7a62c631fb71dc5 1
{
    "hex" : "0200000090e6d65a010000000000000000000000000000000000000000000000000000000000000000ffffffff1601640490e6d65a088100000f000000007969696d7000000000000100c817a804000000232102eaadcababb4fe9c43b0e436f3f4286a9777eda20b06be9dd9dcba6ca623fa7c7ac00000000",
    "txid" : "4e3326f6dca1a561831bf2beda17598b3e777511adb93356e7a62c631fb71dc5",
    "version" : 2,
    "time" : 1524033168,
    "locktime" : 0,
    "vin" : [
        {
            "coinbase" : "01640490e6d65a088100000f000000007969696d7000",
            "sequence" : 0
        }
    ],
    "vout" : [
        {
            "value" : 200.00000000,
            "n" : 0,
            "scriptPubKey" : {
                "asm" : "02eaadcababb4fe9c43b0e436f3f4286a9777eda20b06be9dd9dcba6ca623fa7c7 OP_CHECKSIG",
                "hex" : "2102eaadcababb4fe9c43b0e436f3f4286a9777eda20b06be9dd9dcba6ca623fa7c7ac",
                "reqSigs" : 1,
                "type" : "pubkey",
                "addresses" : [
                    "TTEN1HYi65gCeqa85f28pJJkYtYw7Jdu68"
                ]
            }
        }
    ],
    "blockhash" : "0000001ce1545895454905c6a2e38c0b5f822b9879831f2ed7b7f6b5de505d1a",
    "confirmations" : 2071,
    "time" : 1524033168,
    "blocktime" : 1524033168
}

В транзакции имеем свойство "blockhash" : "0000001ce1545895454905c6a2e38c0b5f822b9879831f2ed7b7f6b5de505d1a"
Найдем по хешу блока сам блок
$ Trittiumd getblock 0000001ce1545895454905c6a2e38c0b5f822b9879831f2ed7b7f6b5de505d1a
{
    "hash" : "0000001ce1545895454905c6a2e38c0b5f822b9879831f2ed7b7f6b5de505d1a",
    "confirmations" : 2073,
    "size" : 203,
    "height" : 100,
    "version" : 4,
    "merkleroot" : "4e3326f6dca1a561831bf2beda17598b3e777511adb93356e7a62c631fb71dc5",
    "mint" : 200.00000000,
    "moneysupply" : 1269800.00000000,
    "time" : 1524033168,
    "nonce" : 4193589008,
    "bits" : "1d538e49",
    "difficulty" : 0.01196787,
    "blocktrust" : "310568e",
    "chaintrust" : "bcb9b470",
    "previousblockhash" : "0000000f51403eb0ed77e336cd9aad4d6557920064d943b45aa37a831c10b67c",
    "nextblockhash" : "000000024eb6ccd5f1b8d5849e6ae1c2845664769d1d93a8c9bc5450002d1616",
    "flags" : "proof-of-work stake-modifier",
    "proofhash" : "0000001ce1545895454905c6a2e38c0b5f822b9879831f2ed7b7f6b5de505d1a",
    "entropybit" : 0,
    "modifier" : "cc5112b1208c6225",
    "tx" : [
        "4e3326f6dca1a561831bf2beda17598b3e777511adb93356e7a62c631fb71dc5"
    ]
}

Нашли!

Теперь оналогично по POS

$ Trittiumd getblockcount
2178

$ Trittiumd getblockhash 2178
d9708230f072a66394f35d10bf0740c4417d1b3d048228ac100e72632b762ede

$ Trittiumd getblock d9708230f072a66394f35d10bf0740c4417d1b3d048228ac100e72632b762ede
{
    "hash" : "d9708230f072a66394f35d10bf0740c4417d1b3d048228ac100e72632b762ede",
    "confirmations" : 3,
    "size" : 434,
    "height" : 2178,
    "version" : 4,
    "merkleroot" : "95a92e398f561243eeed3f62d3391adb815a28741f91dd73b6432cd73e40ee0e",
    "mint" : 750.00000000,
    "moneysupply" : 2368150.00000000,
    "time" : 1524131248,
    "nonce" : 0,
    "bits" : "1b03945c",
    "difficulty" : 18308.27561512,
    "blocktrust" : "47848e13447e",
    "chaintrust" : "dcfe12d7b5df5d",
    "previousblockhash" : "c0b1762bd432222d64031ccc1331f1bfcfc943319d58fe3e21a2c4f70898dddc",
    "nextblockhash" : "4442686c6b5428196ace022a971397e71773c40b15085d099224aeae150fd60a",
    "flags" : "proof-of-stake stake-modifier",
    "proofhash" : "019fa2a940b493da99defab80f6da6cac8ab4ce449ffc2c38eca611a9ab1cc5d",
    "entropybit" : 0,
    "modifier" : "357748f33035ac12",
    "tx" : [
        "3366a9b94ca9058e3ce0634d4b1881ba4c99b795d1483522d0cf46f04119edd5",
        "7c037b4ea6c2cf31a3368450a28b7e51d9ddd518308a64e52ed6f61cc7d3d3db"
    ],
    "signature" : "3045022100efebebb7d136c344ca7ce0bc1eea9dba7017457652e8bd3682d2727a4c5d12fb02207a2b2f7ee0f5d2b26e83b18db69dfa51350b5ee636867a331212dcef6917fc25"
}

Имеем 2 транзакции
Читаем первую

$ Trittiumd getrawtransaction 3366a9b94ca9058e3ce0634d4b1881ba4c99b795d1483522d0cf46f04119edd5 1
{
    "hex" : "01000000b065d85a010000000000000000000000000000000000000000000000000000000000000000ffffffff03028208ffffffff0100000000000000000000000000",
    "txid" : "3366a9b94ca9058e3ce0634d4b1881ba4c99b795d1483522d0cf46f04119edd5",
    "version" : 1,
    "time" : 1524131248,
    "locktime" : 0,
    "vin" : [
        {
            "coinbase" : "028208",
            "sequence" : 4294967295
        }
    ],
    "vout" : [
        {
            "value" : 0.00000000,
            "n" : 0,
            "scriptPubKey" : {
                "asm" : "",
                "hex" : "",
                "type" : "nonstandard"
            }
        }
    ],
    "blockhash" : "efa5b3f0fb6634bdd1d6d6eb6be074735a0e5fa4c62b5e1ff449012a4abaf45b"
}

Она принадлежит блоку с "blockhash" : "efa5b3f0fb6634bdd1d6d6eb6be074735a0e5fa4c62b5e1ff449012a4abaf45b"

ищем сам блок

$ Trittiumd getblock efa5b3f0fb6634bdd1d6d6eb6be074735a0e5fa4c62b5e1ff449012a4abaf45b
error: {"code":-5,"message":"Block not found"}

Поищем по второй транзакции

$ Trittiumd getrawtransaction 7c037b4ea6c2cf31a3368450a28b7e51d9ddd518308a64e52ed6f61cc7d3d3db 1
{
    "hex" : "01000000b065d85a013bdd43abe1d439fe620e754f196c1f81453bf6906eff231cf1ebf04ca38a46b9010000004847304402207be58c07072adfc9141e3dc68cb943d224d74ad87c0b7316bf34367d6100b7b70220475eeed4693a1684710f7839a266be0514e328c3c3c61a4154808d6db753d7e401ffffffff03000000000000000000634e9e28600100002321039ab6ae557d2e7e96156194311d854ad02e8ed0543585363741e73b74c3aa3957ac005847f80d0000001976a914f9a75a226c6518da7cd005171e36df2ba37f5bae88ac00000000",
    "txid" : "7c037b4ea6c2cf31a3368450a28b7e51d9ddd518308a64e52ed6f61cc7d3d3db",
    "version" : 1,
    "time" : 1524131248,
    "locktime" : 0,
    "vin" : [
        {
            "txid" : "b9468aa34cf0ebf11c23ff6e90f63b45811f6c194f750e62fe39d4e1ab43dd3b",
            "vout" : 1,
            "scriptSig" : {
                "asm" : "304402207be58c07072adfc9141e3dc68cb943d224d74ad87c0b7316bf34367d6100b7b70220475eeed4693a1684710f7839a266be0514e328c3c3c61a4154808d6db753d7e401",
                "hex" : "47304402207be58c07072adfc9141e3dc68cb943d224d74ad87c0b7316bf34367d6100b7b70220475eeed4693a1684710f7839a266be0514e328c3c3c61a4154808d6db753d7e401"
            },
            "sequence" : 4294967295
        }
    ],
    "vout" : [
        {
            "value" : 0.00000000,
            "n" : 0,
            "scriptPubKey" : {
                "asm" : "",
                "hex" : "",
                "type" : "nonstandard"
            }
        },
        {
            "value" : 15125.09951587,
            "n" : 1,
            "scriptPubKey" : {
                "asm" : "039ab6ae557d2e7e96156194311d854ad02e8ed0543585363741e73b74c3aa3957 OP_CHECKSIG",
                "hex" : "21039ab6ae557d2e7e96156194311d854ad02e8ed0543585363741e73b74c3aa3957ac",
                "reqSigs" : 1,
                "type" : "pubkey",
                "addresses" : [
                    "TDfr8T2MXRSogpxHA6ySFEosAQ7PSTuTdu"
                ]
            }
        },
        {
            "value" : 600.00000000,
            "n" : 2,
            "scriptPubKey" : {
                "asm" : "OP_DUP OP_HASH160 f9a75a226c6518da7cd005171e36df2ba37f5bae OP_EQUALVERIFY OP_CHECKSIG",
                "hex" : "76a914f9a75a226c6518da7cd005171e36df2ba37f5bae88ac",
                "reqSigs" : 1,
                "type" : "pubkeyhash",
                "addresses" : [
                    "TYjFjekWRtf5paKJL4jdYDzeKMRv5EW1E6"
                ]
            }
        }
    ],
    "blockhash" : "efa5b3f0fb6634bdd1d6d6eb6be074735a0e5fa4c62b5e1ff449012a4abaf45b"
}

Блок так же не будет найден по "blockhash" : "efa5b3f0fb6634bdd1d6d6eb6be074735a0e5fa4c62b5e1ff449012a4abaf45b"

Вывод: Свойство номер блока height принадлежит блоку. Если транзакция принадлежит отсутствующему блоку, соответственно мы видем 0! 
В транзакциях свойство blockhash должно быть равно d9708230f072a66394f35d10bf0740c4417d1b3d048228ac100e72632b762ede